/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:47:44,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:47:44,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:47:44,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:47:44,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:47:44,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:47:44,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:47:44,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:47:44,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:47:44,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:47:44,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:47:44,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:47:44,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:47:44,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:47:44,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:47:44,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:47:44,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:47:44,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:47:44,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:47:44,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:47:44,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:47:44,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:47:44,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:47:44,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:47:44,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:47:44,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:47:44,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:47:44,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:47:44,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:47:44,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:47:44,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:47:44,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:47:44,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:47:44,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:47:44,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:47:44,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:47:44,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:47:44,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:47:44,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:47:44,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:47:44,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:47:44,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:47:44,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:47:44,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:47:44,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:47:44,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:47:44,237 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:47:44,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:47:44,237 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:47:44,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:47:44,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:47:44,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:47:44,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:47:44,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:47:44,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:47:44,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:47:44,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:47:44,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:47:44,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:47:44,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:47:44,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:47:44,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:47:44,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:47:44,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:47:44,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:47:44,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:47:44,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:47:44,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:47:44,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:47:44,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:47:44,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:47:44,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:47:44,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:47:44,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:47:44,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:47:44,568 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:47:44,568 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:47:44,569 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-10-15 01:47:44,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1677f319/b9481e3c9bf042ef842e99af16e58f2b/FLAG5bec776cf [2020-10-15 01:47:45,151 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:47:45,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-10-15 01:47:45,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1677f319/b9481e3c9bf042ef842e99af16e58f2b/FLAG5bec776cf [2020-10-15 01:47:45,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1677f319/b9481e3c9bf042ef842e99af16e58f2b [2020-10-15 01:47:45,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:47:45,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:47:45,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:47:45,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:47:45,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:47:45,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:47:45" (1/1) ... [2020-10-15 01:47:45,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa61a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:45, skipping insertion in model container [2020-10-15 01:47:45,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:47:45" (1/1) ... [2020-10-15 01:47:45,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:47:45,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:47:46,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:47:46,113 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:47:46,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:47:46,264 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:47:46,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46 WrapperNode [2020-10-15 01:47:46,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:47:46,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:47:46,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:47:46,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:47:46,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:47:46,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:47:46,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:47:46,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:47:46,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:47:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:47:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:47:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:47:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:47:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:47:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:47:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:47:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:47:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:47:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:47:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-15 01:47:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:47:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:47:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:47:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:47:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:47:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:47:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:47:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:47:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:47:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:47:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:47:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:47:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:47:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:47:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:47:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:47:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:47:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:47:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:47:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:47:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:47:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:47:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:47:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:47:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:47:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:47:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:47:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:47:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:47:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:47:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:47:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:47:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:47:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:47:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:47:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:47:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:47:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:47:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:47:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:47:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:47:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:47:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:47:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:47:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-15 01:47:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:47:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:47:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:47:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:47:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:47:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:47:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:47:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:47:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:47:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:47:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:47:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:47:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:47:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:47:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:47:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:47:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:47:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:47:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:47:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:47:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:47:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:47:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:47:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:47:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:47:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:47:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:47:47,607 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:47:47,608 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:47:47,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:47:47 BoogieIcfgContainer [2020-10-15 01:47:47,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:47:47,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:47:47,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:47:47,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:47:47,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:47:45" (1/3) ... [2020-10-15 01:47:47,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7492a3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:47:47, skipping insertion in model container [2020-10-15 01:47:47,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (2/3) ... [2020-10-15 01:47:47,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7492a3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:47:47, skipping insertion in model container [2020-10-15 01:47:47,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:47:47" (3/3) ... [2020-10-15 01:47:47,621 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2020-10-15 01:47:47,632 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:47:47,640 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:47:47,654 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:47:47,680 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:47:47,681 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:47:47,681 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:47:47,681 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:47:47,681 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:47:47,681 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:47:47,681 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:47:47,682 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:47:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-15 01:47:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-15 01:47:47,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:47:47,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:47:47,717 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:47:47,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:47:47,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1144967718, now seen corresponding path program 1 times [2020-10-15 01:47:47,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:47:47,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867933928] [2020-10-15 01:47:47,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:47:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:49,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:51,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 01:47:52,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:47:52,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4506 [2020-10-15 01:47:52,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:47:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:47:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 01:47:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:47:53,064 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:47:53,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:47:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:53,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:53,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:53,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-15 01:47:53,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:53,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:47:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:53,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:47:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:53,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:53,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:53,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:53,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:53,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:53,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:47:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:53,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:53,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:53,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:53,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:53,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:53,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:47:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:53,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:53,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:53,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:47:53,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:53,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:53,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:53,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:47:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:53,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:53,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:53,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:53,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:47:53,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:53,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:53,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:53,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:53,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:47:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:53,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:53,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:53,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:53,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:47:53,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:53,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:53,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:53,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:47:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:53,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:53,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:47:53,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:53,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:47:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:47:53,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867933928] [2020-10-15 01:47:53,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:47:53,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:47:53,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891479979] [2020-10-15 01:47:53,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:47:53,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:47:53,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:47:53,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:47:53,375 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 7 states. [2020-10-15 01:47:53,851 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:47:54,741 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:55,038 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:55,325 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:55,867 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:47:56,121 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:47:57,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:47:57,175 INFO L93 Difference]: Finished difference Result 381 states and 525 transitions. [2020-10-15 01:47:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 01:47:57,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-15 01:47:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:47:57,206 INFO L225 Difference]: With dead ends: 381 [2020-10-15 01:47:57,209 INFO L226 Difference]: Without dead ends: 233 [2020-10-15 01:47:57,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:47:57,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-15 01:47:57,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 200. [2020-10-15 01:47:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-15 01:47:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 251 transitions. [2020-10-15 01:47:57,315 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 251 transitions. Word has length 46 [2020-10-15 01:47:57,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:47:57,316 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 251 transitions. [2020-10-15 01:47:57,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:47:57,316 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 251 transitions. [2020-10-15 01:47:57,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 01:47:57,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:47:57,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:47:57,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:47:57,321 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:47:57,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:47:57,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1869111684, now seen corresponding path program 1 times [2020-10-15 01:47:57,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:47:57,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909439099] [2020-10-15 01:47:57,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:47:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:57,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:57,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:00,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:00,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 01:48:00,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3527 [2020-10-15 01:48:00,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:00,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:48:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-15 01:48:00,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:01,119 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:01,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-15 01:48:01,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:01,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:01,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:01,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:01,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:01,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:01,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:01,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:01,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:01,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:01,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:01,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:01,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:01,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:01,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:01,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:01,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:01,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:01,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 01:48:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:01,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:01,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 01:48:01,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 01:48:01,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:01,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:01,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:48:01,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:48:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:48:01,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:48:01,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:01,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:48:01,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:48:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:01,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:01,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:01,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:01,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:01,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:01,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-15 01:48:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:01,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:01,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:01,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:01,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 01:48:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:01,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:01,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:01,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:01,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:01,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:01,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:01,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909439099] [2020-10-15 01:48:01,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:01,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 01:48:01,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660917526] [2020-10-15 01:48:01,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 01:48:01,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:01,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 01:48:01,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:48:01,470 INFO L87 Difference]: Start difference. First operand 200 states and 251 transitions. Second operand 12 states. [2020-10-15 01:48:01,967 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:02,772 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:03,087 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:03,352 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:03,713 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:04,063 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:04,369 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:48:04,699 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:04,980 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:05,348 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:05,620 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:05,943 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:06,256 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:07,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:07,389 INFO L93 Difference]: Finished difference Result 578 states and 834 transitions. [2020-10-15 01:48:07,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 01:48:07,389 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2020-10-15 01:48:07,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:07,396 INFO L225 Difference]: With dead ends: 578 [2020-10-15 01:48:07,396 INFO L226 Difference]: Without dead ends: 402 [2020-10-15 01:48:07,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2020-10-15 01:48:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-10-15 01:48:07,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 331. [2020-10-15 01:48:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-10-15 01:48:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 423 transitions. [2020-10-15 01:48:07,486 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 423 transitions. Word has length 79 [2020-10-15 01:48:07,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:07,486 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 423 transitions. [2020-10-15 01:48:07,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 01:48:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 423 transitions. [2020-10-15 01:48:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-15 01:48:07,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:07,491 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:07,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:48:07,492 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:07,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1450236625, now seen corresponding path program 1 times [2020-10-15 01:48:07,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:07,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312286314] [2020-10-15 01:48:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:07,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:07,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:07,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:09,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:12,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:12,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-15 01:48:12,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:48:12,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-15 01:48:12,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:12,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:48:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-15 01:48:12,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:12,886 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:12,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:12,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:12,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:12,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 01:48:12,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:12,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:12,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:13,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:13,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:13,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:13,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:13,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:13,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:13,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:13,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:13,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:13,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:13,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:13,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:13,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:48:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:48:13,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:48:13,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 01:48:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:13,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:13,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:48:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:13,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:13,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:13,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:13,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:13,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 01:48:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:13,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 01:48:13,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 01:48:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 01:48:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:13,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:13,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 01:48:13,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 01:48:13,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:13,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:13,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 01:48:13,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:48:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:13,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:13,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:48:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:13,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:13,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 01:48:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:13,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:13,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:13,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:13,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 01:48:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:13,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:13,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:13,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:13,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:13,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 01:48:13,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312286314] [2020-10-15 01:48:13,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:13,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 01:48:13,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318781141] [2020-10-15 01:48:13,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:48:13,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:13,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:48:13,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:48:13,316 INFO L87 Difference]: Start difference. First operand 331 states and 423 transitions. Second operand 10 states. [2020-10-15 01:48:13,721 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:14,280 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:15,525 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:16,679 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-15 01:48:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:19,334 INFO L93 Difference]: Finished difference Result 1120 states and 1761 transitions. [2020-10-15 01:48:19,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 01:48:19,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-10-15 01:48:19,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:19,349 INFO L225 Difference]: With dead ends: 1120 [2020-10-15 01:48:19,349 INFO L226 Difference]: Without dead ends: 932 [2020-10-15 01:48:19,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2020-10-15 01:48:19,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-10-15 01:48:19,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 775. [2020-10-15 01:48:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-10-15 01:48:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1076 transitions. [2020-10-15 01:48:19,534 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1076 transitions. Word has length 102 [2020-10-15 01:48:19,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:19,535 INFO L479 AbstractCegarLoop]: Abstraction has 775 states and 1076 transitions. [2020-10-15 01:48:19,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:48:19,535 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1076 transitions. [2020-10-15 01:48:19,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-15 01:48:19,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:19,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:19,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:48:19,539 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:19,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1216403873, now seen corresponding path program 1 times [2020-10-15 01:48:19,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:19,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729802437] [2020-10-15 01:48:19,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:20,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:20,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-15 01:48:20,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1087 [2020-10-15 01:48:20,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:20,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 01:48:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 01:48:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:20,920 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:20,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:20,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:20,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:20,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:20,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 01:48:20,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:20,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:21,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:21,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:21,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:21,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:21,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:21,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:21,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:21,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:21,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:21,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:21,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:21,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:48:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:21,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:48:21,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 01:48:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:21,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:21,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:21,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:21,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:21,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:21,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:21,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:21,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:21,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:21,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:21,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:21,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:21,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:21,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:21,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 01:48:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:21,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:21,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 01:48:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:21,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:21,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:21,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:21,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:21,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:21,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:21,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:21,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:21,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729802437] [2020-10-15 01:48:21,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:21,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:48:21,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259151577] [2020-10-15 01:48:21,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:48:21,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:21,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:48:21,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:48:21,154 INFO L87 Difference]: Start difference. First operand 775 states and 1076 transitions. Second operand 11 states. [2020-10-15 01:48:21,570 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:22,186 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:22,418 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:22,856 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:23,151 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:23,396 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:24,366 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:25,297 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-10-15 01:48:25,984 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-15 01:48:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:28,073 INFO L93 Difference]: Finished difference Result 1542 states and 2322 transitions. [2020-10-15 01:48:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 01:48:28,073 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2020-10-15 01:48:28,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:28,084 INFO L225 Difference]: With dead ends: 1542 [2020-10-15 01:48:28,084 INFO L226 Difference]: Without dead ends: 914 [2020-10-15 01:48:28,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-10-15 01:48:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-15 01:48:28,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 763. [2020-10-15 01:48:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-10-15 01:48:28,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1061 transitions. [2020-10-15 01:48:28,254 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1061 transitions. Word has length 83 [2020-10-15 01:48:28,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:28,256 INFO L479 AbstractCegarLoop]: Abstraction has 763 states and 1061 transitions. [2020-10-15 01:48:28,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:48:28,256 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1061 transitions. [2020-10-15 01:48:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-15 01:48:28,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:28,261 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:28,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:48:28,262 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:28,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:28,262 INFO L82 PathProgramCache]: Analyzing trace with hash -985337517, now seen corresponding path program 1 times [2020-10-15 01:48:28,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:28,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250893876] [2020-10-15 01:48:28,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-15 01:48:29,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:48:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-10-15 01:48:29,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-15 01:48:29,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:29,535 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:29,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 01:48:29,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:29,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 58 [2020-10-15 01:48:29,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:29,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:29,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:29,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:29,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:29,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:29,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:29,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:29,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:29,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:29,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:29,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:29,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:29,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:48:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 01:48:29,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 01:48:29,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 01:48:29,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:29,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 01:48:29,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:29,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 01:48:29,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:29,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:29,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:48:29,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:48:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:29,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:29,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:48:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:48:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:29,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:29,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:48:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:29,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:29,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:29,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:29,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:48:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:29,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:29,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:29,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:29,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:29,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:29,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:29,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:29,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:29,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:29,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:29,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:29,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:29,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 01:48:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:29,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:30,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:30,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:30,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:30,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:30,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:30,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:30,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 01:48:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:30,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:30,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:30,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 01:48:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:30,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:30,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:30,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:30,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:30,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:30,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:30,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:30,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:30,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:30,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:48:30,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250893876] [2020-10-15 01:48:30,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:30,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 01:48:30,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290600599] [2020-10-15 01:48:30,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:48:30,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:30,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:48:30,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:48:30,035 INFO L87 Difference]: Start difference. First operand 763 states and 1061 transitions. Second operand 10 states. [2020-10-15 01:48:30,505 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:31,133 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:31,367 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:31,591 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:32,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:32,807 INFO L93 Difference]: Finished difference Result 1464 states and 2177 transitions. [2020-10-15 01:48:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 01:48:32,807 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-10-15 01:48:32,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:32,812 INFO L225 Difference]: With dead ends: 1464 [2020-10-15 01:48:32,812 INFO L226 Difference]: Without dead ends: 677 [2020-10-15 01:48:32,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-15 01:48:32,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-10-15 01:48:32,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 613. [2020-10-15 01:48:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-10-15 01:48:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 770 transitions. [2020-10-15 01:48:32,923 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 770 transitions. Word has length 102 [2020-10-15 01:48:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:32,923 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 770 transitions. [2020-10-15 01:48:32,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:48:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 770 transitions. [2020-10-15 01:48:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 01:48:32,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:32,927 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:32,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:48:32,928 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:32,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:32,928 INFO L82 PathProgramCache]: Analyzing trace with hash 433671844, now seen corresponding path program 1 times [2020-10-15 01:48:32,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:32,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573719252] [2020-10-15 01:48:32,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:37,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-15 01:48:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:38,294 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:38,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:38,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 01:48:38,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:38,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:38,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:38,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:38,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:38,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:38,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:38,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:38,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:38,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:38,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:38,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:38,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:38,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:38,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:48:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-15 01:48:38,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:48:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 01:48:38,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 01:48:38,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:48:38,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:38,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 01:48:38,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 01:48:38,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:48:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:48:38,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:48:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:38,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:48:38,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:48:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:38,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:38,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:48:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:38,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:38,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 01:48:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:48:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:38,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:38,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:48:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:38,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:38,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 01:48:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 01:48:38,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 01:48:38,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:48:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:48:38,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 01:48:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:38,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:38,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:38,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:38,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:38,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:38,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:38,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:38,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:38,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:38,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:38,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:38,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:38,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:38,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:38,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:48:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:38,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:38,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:48:38,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:38,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:38,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:38,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-15 01:48:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:38,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:38,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:38,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:38,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:38,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:38,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:38,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:39,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-15 01:48:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:39,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:48:39,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:39,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:39,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:48:39,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:48:39,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:39,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:39,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:39,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:39,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:39,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 01:48:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:39,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:39,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:39,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:39,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:39,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:39,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-15 01:48:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:39,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:39,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:39,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:39,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:39,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-15 01:48:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:39,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:39,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:39,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 17 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-15 01:48:39,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573719252] [2020-10-15 01:48:39,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:39,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 01:48:39,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994930463] [2020-10-15 01:48:39,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 01:48:39,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:39,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 01:48:39,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-15 01:48:39,204 INFO L87 Difference]: Start difference. First operand 613 states and 770 transitions. Second operand 18 states. [2020-10-15 01:48:40,353 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:40,937 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:41,476 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:41,733 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:41,964 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:42,522 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:42,796 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:43,041 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:43,267 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:43,523 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:43,766 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:44,300 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:44,879 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:45,200 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:45,502 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:46,307 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:49,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:49,742 INFO L93 Difference]: Finished difference Result 1790 states and 2755 transitions. [2020-10-15 01:48:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-15 01:48:49,742 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 176 [2020-10-15 01:48:49,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:49,753 INFO L225 Difference]: With dead ends: 1790 [2020-10-15 01:48:49,753 INFO L226 Difference]: Without dead ends: 1260 [2020-10-15 01:48:49,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=583, Invalid=2173, Unknown=0, NotChecked=0, Total=2756 [2020-10-15 01:48:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-10-15 01:48:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 810. [2020-10-15 01:48:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2020-10-15 01:48:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1047 transitions. [2020-10-15 01:48:49,955 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1047 transitions. Word has length 176 [2020-10-15 01:48:49,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:49,955 INFO L479 AbstractCegarLoop]: Abstraction has 810 states and 1047 transitions. [2020-10-15 01:48:49,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 01:48:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1047 transitions. [2020-10-15 01:48:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-15 01:48:49,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:49,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:49,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:48:49,963 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:49,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:49,964 INFO L82 PathProgramCache]: Analyzing trace with hash -775865217, now seen corresponding path program 1 times [2020-10-15 01:48:49,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:49,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413990143] [2020-10-15 01:48:49,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:48:50,019 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:48:50,020 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:48:50,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:48:50,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:48:50 BoogieIcfgContainer [2020-10-15 01:48:50,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:48:50,085 INFO L168 Benchmark]: Toolchain (without parser) took 64566.03 ms. Allocated memory was 145.8 MB in the beginning and 943.2 MB in the end (delta: 797.4 MB). Free memory was 101.0 MB in the beginning and 804.5 MB in the end (delta: -703.5 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:50,086 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 01:48:50,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.27 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 101.0 MB in the beginning and 167.9 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:50,097 INFO L168 Benchmark]: Boogie Preprocessor took 100.38 ms. Allocated memory is still 201.9 MB. Free memory was 167.9 MB in the beginning and 164.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:50,098 INFO L168 Benchmark]: RCFGBuilder took 1247.13 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 196.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:50,099 INFO L168 Benchmark]: TraceAbstraction took 62466.53 ms. Allocated memory was 234.9 MB in the beginning and 943.2 MB in the end (delta: 708.3 MB). Free memory was 195.0 MB in the beginning and 804.5 MB in the end (delta: -609.5 MB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:50,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.27 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 101.0 MB in the beginning and 167.9 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.38 ms. Allocated memory is still 201.9 MB. Free memory was 167.9 MB in the beginning and 164.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1247.13 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 196.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 62466.53 ms. Allocated memory was 234.9 MB in the beginning and 943.2 MB in the end (delta: 708.3 MB). Free memory was 195.0 MB in the beginning and 804.5 MB in the end (delta: -609.5 MB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 434]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L155] int pumpRunning = 0; [L156] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L703] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; [L412] FCALL select_helpers() [L413] FCALL select_features() [L414] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L414] RET, EXPR valid_product() [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) [L418] FCALL setup() [L419] CALL runTest() [L401] CALL test() [L83] int splverifierCounter ; [L84] int tmp ; [L85] int tmp___0 ; [L86] int tmp___1 ; [L87] int tmp___2 ; [L90] splverifierCounter = 0 [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND TRUE \read(tmp) [L104] CALL waterRise() [L458] COND TRUE waterLevel < 2 [L459] waterLevel = waterLevel + 1 [L104] RET waterRise() [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L135] CALL timeShift() [L163] COND FALSE !(\read(pumpRunning)) [L170] COND TRUE \read(systemActive) [L172] CALL processEnvironment() [L218] int tmp ; [L221] COND FALSE !(\read(pumpRunning)) [L236] CALL processEnvironment__wrappee__highWaterSensor() [L192] int tmp ; [L195] COND TRUE ! pumpRunning [L197] CALL, EXPR isHighWaterLevel() [L315] int retValue_acc ; [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR isHighWaterSensorDry() [L520] int retValue_acc ; [L523] COND FALSE !(waterLevel < 2) [L527] retValue_acc = 0 [L528] return (retValue_acc); [L321] RET, EXPR isHighWaterSensorDry() [L321] tmp = isHighWaterSensorDry() [L323] COND FALSE !(\read(tmp)) [L326] tmp___0 = 1 [L328] retValue_acc = tmp___0 [L329] return (retValue_acc); [L197] RET, EXPR isHighWaterLevel() [L197] tmp = isHighWaterLevel() [L199] COND TRUE \read(tmp) [L201] CALL activatePump() [L246] pumpRunning = 1 [L201] RET activatePump() [L236] RET processEnvironment__wrappee__highWaterSensor() [L172] RET processEnvironment() [L178] CALL __utac_acc__Specification4_spec__1() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L906] RET, EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) [L178] RET __utac_acc__Specification4_spec__1() [L135] RET timeShift() [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L135] CALL timeShift() [L163] COND TRUE \read(pumpRunning) [L165] CALL lowerWaterLevel() [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 [L165] RET lowerWaterLevel() [L170] COND TRUE \read(systemActive) [L172] CALL processEnvironment() [L218] int tmp ; [L221] COND TRUE \read(pumpRunning) [L223] CALL, EXPR isMethaneAlarm() [L259] int retValue_acc ; [L263] CALL, EXPR isMethaneLevelCritical() [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); [L263] RET, EXPR isMethaneLevelCritical() [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); [L223] RET, EXPR isMethaneAlarm() [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) [L231] CALL processEnvironment__wrappee__highWaterSensor() [L192] int tmp ; [L195] COND FALSE !(! pumpRunning) [L210] FCALL processEnvironment__wrappee__base() [L231] RET processEnvironment__wrappee__highWaterSensor() [L172] RET processEnvironment() [L178] CALL __utac_acc__Specification4_spec__1() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L906] RET, EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) [L178] RET __utac_acc__Specification4_spec__1() [L135] RET timeShift() [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L135] CALL timeShift() [L163] COND TRUE \read(pumpRunning) [L165] CALL lowerWaterLevel() [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 [L165] RET lowerWaterLevel() [L170] COND TRUE \read(systemActive) [L172] CALL processEnvironment() [L218] int tmp ; [L221] COND TRUE \read(pumpRunning) [L223] CALL, EXPR isMethaneAlarm() [L259] int retValue_acc ; [L263] CALL, EXPR isMethaneLevelCritical() [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); [L263] RET, EXPR isMethaneLevelCritical() [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); [L223] RET, EXPR isMethaneAlarm() [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) [L231] CALL processEnvironment__wrappee__highWaterSensor() [L192] int tmp ; [L195] COND FALSE !(! pumpRunning) [L210] FCALL processEnvironment__wrappee__base() [L231] RET processEnvironment__wrappee__highWaterSensor() [L172] RET processEnvironment() [L178] CALL __utac_acc__Specification4_spec__1() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L906] RET, EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND TRUE tmp == 0 [L910] CALL, EXPR isPumpRunning() [L270] int retValue_acc ; [L273] retValue_acc = pumpRunning [L274] return (retValue_acc); [L910] RET, EXPR isPumpRunning() [L910] tmp___0 = isPumpRunning() [L912] COND TRUE \read(tmp___0) [L914] CALL __automaton_fail() [L434] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 62.3s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 36.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 973 SDtfs, 3146 SDslu, 2059 SDs, 0 SdLazy, 9453 SolverSat, 2671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 377 GetRequests, 224 SyntacticMatches, 2 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=810occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 926 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 773 NumberOfCodeBlocks, 773 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 582 ConstructedInterpolants, 0 QuantifiedInterpolants, 238616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 76/104 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...