/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:14,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:14,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:14,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:14,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:14,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:14,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:14,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:14,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:14,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:14,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:14,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:14,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:14,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:14,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:14,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:14,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:14,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:14,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:14,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:14,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:14,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:14,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:14,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:14,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:14,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:14,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:14,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:14,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:14,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:14,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:14,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:14,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:14,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:14,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:14,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:14,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:14,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:14,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:14,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:14,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:14,259 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 [2020-09-21 12:05:14,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:14,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:14,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:14,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:14,313 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:14,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:14,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:14,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:14,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:14,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:14,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:14,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:14,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:14,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:14,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:14,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:14,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:14,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:14,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:14,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:14,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:14,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:14,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:14,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:14,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:14,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:14,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:14,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:14,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:14,320 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:05:15,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:15,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:15,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:15,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:15,484 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:15,486 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-21 12:05:15,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0cdac6b5/20332b886f9b4b88ac1b5b68e694692d/FLAG5ada848de [2020-09-21 12:05:16,158 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:05:16,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-21 12:05:16,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0cdac6b5/20332b886f9b4b88ac1b5b68e694692d/FLAG5ada848de [2020-09-21 12:05:16,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0cdac6b5/20332b886f9b4b88ac1b5b68e694692d [2020-09-21 12:05:16,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:05:16,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:05:16,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:16,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:05:16,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:05:16,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21715d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16, skipping insertion in model container [2020-09-21 12:05:16,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:05:16,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:05:16,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:16,972 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:05:17,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:17,202 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:05:17,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17 WrapperNode [2020-09-21 12:05:17,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:17,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:05:17,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:05:17,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:05:17,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:05:17,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:05:17,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:05:17,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:05:17,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (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 [2020-09-21 12:05:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:05:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:05:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:05:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:05:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:05:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:05:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:05:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:05:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:05:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:05:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:05:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:05:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:05:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:05:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:05:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:05:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:05:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:05:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:05:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:05:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:05:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:05:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:05:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:05:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:05:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:05:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:05:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:05:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:05:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:05:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:05:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:05:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:05:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:05:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:05:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:05:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:05:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:05:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:05:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:05:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:05:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:05:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:05:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:05:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:05:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:05:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:05:18,480 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:05:18,481 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:05:18,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:18 BoogieIcfgContainer [2020-09-21 12:05:18,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:05:18,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:05:18,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:05:18,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:05:18,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:05:16" (1/3) ... [2020-09-21 12:05:18,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd6b033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:18, skipping insertion in model container [2020-09-21 12:05:18,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (2/3) ... [2020-09-21 12:05:18,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd6b033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:18, skipping insertion in model container [2020-09-21 12:05:18,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:18" (3/3) ... [2020-09-21 12:05:18,497 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-09-21 12:05:18,510 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:05:18,521 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:05:18,545 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:05:18,578 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:05:18,578 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:05:18,579 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:05:18,579 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:05:18,579 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:05:18,579 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:05:18,579 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:05:18,580 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:05:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-09-21 12:05:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:05:18,618 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:18,620 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] [2020-09-21 12:05:18,620 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:18,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:18,629 INFO L82 PathProgramCache]: Analyzing trace with hash -789542766, now seen corresponding path program 1 times [2020-09-21 12:05:18,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:18,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824124739] [2020-09-21 12:05:18,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:19,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:19,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:19,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:19,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:05:19,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1057 [2020-09-21 12:05:20,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:05:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:05:20,468 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:20,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:05:20,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-21 12:05:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:20,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:20,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:05:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:20,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:20,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:20,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824124739] [2020-09-21 12:05:20,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:20,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:05:20,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940114431] [2020-09-21 12:05:20,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:05:20,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:20,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:05:20,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:20,746 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 3 states. [2020-09-21 12:05:21,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:21,912 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2020-09-21 12:05:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:05:21,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:05:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:21,947 INFO L225 Difference]: With dead ends: 260 [2020-09-21 12:05:21,947 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 12:05:21,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:21,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 12:05:22,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2020-09-21 12:05:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 12:05:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2020-09-21 12:05:22,070 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2020-09-21 12:05:22,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:22,071 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2020-09-21 12:05:22,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:05:22,072 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2020-09-21 12:05:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:05:22,075 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:22,075 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] [2020-09-21 12:05:22,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:05:22,076 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:22,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:22,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1383450513, now seen corresponding path program 1 times [2020-09-21 12:05:22,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:22,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872362193] [2020-09-21 12:05:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:22,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:22,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:05:23,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1189 [2020-09-21 12:05:23,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:05:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:05:23,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,791 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:23,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:05:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:23,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:05:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:23,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872362193] [2020-09-21 12:05:23,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:23,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:23,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140384902] [2020-09-21 12:05:23,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:23,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:23,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:23,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:23,972 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2020-09-21 12:05:24,415 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:25,058 INFO L93 Difference]: Finished difference Result 183 states and 225 transitions. [2020-09-21 12:05:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:25,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:05:25,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:25,061 INFO L225 Difference]: With dead ends: 183 [2020-09-21 12:05:25,062 INFO L226 Difference]: Without dead ends: 126 [2020-09-21 12:05:25,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:25,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-21 12:05:25,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 100. [2020-09-21 12:05:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 12:05:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-09-21 12:05:25,099 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2020-09-21 12:05:25,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:25,100 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-09-21 12:05:25,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-09-21 12:05:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:05:25,102 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:25,102 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] [2020-09-21 12:05:25,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:05:25,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:25,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:25,103 INFO L82 PathProgramCache]: Analyzing trace with hash -578474638, now seen corresponding path program 1 times [2020-09-21 12:05:25,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:25,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207420738] [2020-09-21 12:05:25,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:25,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:25,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:05:26,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:26,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-09-21 12:05:26,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:05:26,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:05:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,485 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:26,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-21 12:05:26,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:26,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:26,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:05:26,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:26,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:26,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:26,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:05:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:26,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:26,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207420738] [2020-09-21 12:05:26,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:26,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:26,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412014230] [2020-09-21 12:05:26,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:26,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:26,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:26,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:26,783 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 4 states. [2020-09-21 12:05:27,124 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:28,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:28,414 INFO L93 Difference]: Finished difference Result 288 states and 358 transitions. [2020-09-21 12:05:28,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:28,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:05:28,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:28,420 INFO L225 Difference]: With dead ends: 288 [2020-09-21 12:05:28,420 INFO L226 Difference]: Without dead ends: 212 [2020-09-21 12:05:28,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-21 12:05:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 166. [2020-09-21 12:05:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-09-21 12:05:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 199 transitions. [2020-09-21 12:05:28,487 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 199 transitions. Word has length 52 [2020-09-21 12:05:28,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:28,487 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 199 transitions. [2020-09-21 12:05:28,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 199 transitions. [2020-09-21 12:05:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:05:28,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:28,490 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] [2020-09-21 12:05:28,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:05:28,490 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:28,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:28,491 INFO L82 PathProgramCache]: Analyzing trace with hash -735622613, now seen corresponding path program 1 times [2020-09-21 12:05:28,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:28,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348017841] [2020-09-21 12:05:28,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:28,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:05:29,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:05:29,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:05:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:29,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 12:05:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,902 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:29,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:30,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-21 12:05:30,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:30,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:30,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:30,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:30,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:30,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:30,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:30,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:30,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:30,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:30,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:30,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:05:30,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:30,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:30,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:30,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:30,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:30,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:30,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:05:30,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:30,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:05:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:30,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:05:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:30,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:30,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:05:30,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:05:30,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:30,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:30,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:30,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:05:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:30,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:30,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:30,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:30,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:30,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:30,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:30,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:30,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:30,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348017841] [2020-09-21 12:05:30,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:30,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:05:30,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654857576] [2020-09-21 12:05:30,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:05:30,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:30,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:05:30,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:05:30,220 INFO L87 Difference]: Start difference. First operand 166 states and 199 transitions. Second operand 8 states. [2020-09-21 12:05:30,754 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:31,908 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:32,325 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:32,634 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:32,999 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:33,463 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:34,255 INFO L93 Difference]: Finished difference Result 539 states and 712 transitions. [2020-09-21 12:05:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:05:34,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:05:34,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:34,261 INFO L225 Difference]: With dead ends: 539 [2020-09-21 12:05:34,261 INFO L226 Difference]: Without dead ends: 397 [2020-09-21 12:05:34,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:05:34,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-09-21 12:05:34,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 293. [2020-09-21 12:05:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-21 12:05:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2020-09-21 12:05:34,351 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 57 [2020-09-21 12:05:34,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:34,351 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2020-09-21 12:05:34,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:05:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2020-09-21 12:05:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 12:05:34,354 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:34,354 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] [2020-09-21 12:05:34,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:05:34,355 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:34,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:34,355 INFO L82 PathProgramCache]: Analyzing trace with hash -952119953, now seen corresponding path program 1 times [2020-09-21 12:05:34,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:34,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89747891] [2020-09-21 12:05:34,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:34,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 12:05:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1031 [2020-09-21 12:05:35,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:05:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 12:05:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:05:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,729 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:35,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:05:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:35,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:35,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:05:35,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:35,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:35,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:35,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:05:35,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:35,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 12:05:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:35,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:35,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:05:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:05:35,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:35,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:05:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:35,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:35,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:35,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:05:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:35,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:35,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:35,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:35,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:05:35,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:05:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:35,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:35,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:35,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89747891] [2020-09-21 12:05:35,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:35,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:05:35,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159129098] [2020-09-21 12:05:35,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:05:35,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:35,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:05:35,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:05:35,926 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand 9 states. [2020-09-21 12:05:36,349 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:37,791 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:05:38,125 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:38,461 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:05:38,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:38,897 INFO L93 Difference]: Finished difference Result 582 states and 773 transitions. [2020-09-21 12:05:38,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:05:38,898 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 12:05:38,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:38,899 INFO L225 Difference]: With dead ends: 582 [2020-09-21 12:05:38,899 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:05:38,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:05:38,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:05:38,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:05:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:05:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:05:38,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 12:05:38,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:38,904 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:05:38,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:05:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:05:38,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:05:38,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:05:38,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:05:39,138 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:39,323 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:39,491 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:39,642 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:39,801 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:40,171 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:05:40,333 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:40,487 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:40,646 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:40,807 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:40,974 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:41,126 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:41,385 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 12:05:41,647 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:05:41,926 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:05:42,181 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:05:42,433 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:05:42,690 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:05:43,009 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:05:43,330 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:05:43,575 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 12:05:43,734 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:44,014 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 12:05:44,168 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:44,459 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:05:44,753 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:05:45,047 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:05:45,342 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:05:45,636 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:05:45,926 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:05:46,222 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:05:46,361 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:46,505 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:46,654 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:46,807 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:46,959 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:47,112 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:47,264 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:47,418 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:47,565 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:47,713 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:47,862 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:48,014 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:48,163 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:48,309 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:48,452 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:48,604 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:48,752 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:48,902 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:49,055 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:49,203 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:49,351 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:49,503 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:49,655 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:49,806 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:49,958 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:50,103 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:50,250 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:50,398 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:50,550 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:50,698 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:50,850 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:51,002 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:51,155 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:51,308 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:51,457 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:51,605 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:51,750 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:51,918 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:52,251 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:05:52,403 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:52,630 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-09-21 12:05:52,880 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 12:05:53,143 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:05:53,407 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:05:53,672 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:05:53,953 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:05:54,218 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:05:54,539 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 12:05:54,858 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 12:05:55,099 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 12:05:55,258 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:55,414 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:55,564 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:55,707 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:55,864 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:56,019 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:56,173 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:56,321 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:56,468 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:56,622 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:56,952 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:05:57,110 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:57,253 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:57,402 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:57,553 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:57,711 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:58,042 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:05:58,203 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:58,352 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:58,506 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:58,654 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:58,797 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:58,960 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:59,113 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:59,269 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:59,421 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:59,570 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:59,722 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:59,870 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:00,018 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:00,166 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:00,314 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:00,660 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:06:01,083 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 12:06:01,317 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:01,542 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:01,960 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-21 12:06:02,196 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:02,434 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:02,835 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-09-21 12:06:03,104 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:03,516 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 12:06:03,731 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:04,163 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 12:06:04,598 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 12:06:04,811 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 12:06:05,021 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:05,221 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:05,640 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 12:06:05,845 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:06,067 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:06,503 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 12:06:06,727 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:06,957 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:07,220 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:07,427 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:07,844 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 12:06:07,875 INFO L268 CegarLoopResult]: For program point L378(lines 355 379) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 331 386) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point L362-1(lines 362 366) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 331 386) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 331 386) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 377) no Hoare annotation was computed. [2020-09-21 12:06:07,876 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 438) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point L439(lines 412 440) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 387 446) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 387 446) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 387 446) no Hoare annotation was computed. [2020-09-21 12:06:07,877 INFO L268 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-09-21 12:06:07,878 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 423) no Hoare annotation was computed. [2020-09-21 12:06:07,878 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 666 672) the Hoare annotation is: true [2020-09-21 12:06:07,878 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 666 672) no Hoare annotation was computed. [2020-09-21 12:06:07,878 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 673 681) no Hoare annotation was computed. [2020-09-21 12:06:07,878 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 673 681) the Hoare annotation is: true [2020-09-21 12:06:07,879 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 673 681) no Hoare annotation was computed. [2020-09-21 12:06:07,879 INFO L264 CegarLoopResult]: At program point L770-1(line 770) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,879 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 764 786) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,879 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 764 786) no Hoare annotation was computed. [2020-09-21 12:06:07,880 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 764 786) no Hoare annotation was computed. [2020-09-21 12:06:07,880 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,880 INFO L264 CegarLoopResult]: At program point L776-1(line 776) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,880 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-09-21 12:06:07,880 INFO L268 CegarLoopResult]: For program point L774-1(lines 774 781) no Hoare annotation was computed. [2020-09-21 12:06:07,880 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-09-21 12:06:07,880 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,881 INFO L264 CegarLoopResult]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,881 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-09-21 12:06:07,881 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-09-21 12:06:07,881 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 723 746) no Hoare annotation was computed. [2020-09-21 12:06:07,881 INFO L268 CegarLoopResult]: For program point L735(line 735) no Hoare annotation was computed. [2020-09-21 12:06:07,881 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 723 746) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 723 746) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-09-21 12:06:07,882 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-09-21 12:06:07,883 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-09-21 12:06:07,883 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-09-21 12:06:07,883 INFO L268 CegarLoopResult]: For program point L739(line 739) no Hoare annotation was computed. [2020-09-21 12:06:07,883 INFO L268 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-09-21 12:06:07,883 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 255 269) no Hoare annotation was computed. [2020-09-21 12:06:07,883 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 255 269) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:07,883 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:07,883 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 255 269) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point L259(lines 259 265) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 210 218) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 210 218) the Hoare annotation is: true [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 210 218) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 219 254) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 219 254) no Hoare annotation was computed. [2020-09-21 12:06:07,884 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 219 254) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 659 665) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 659 665) the Hoare annotation is: true [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 285 330) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 285 330) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 285 330) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 598 643) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 598 643) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-09-21 12:06:07,885 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 598 643) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L268 CegarLoopResult]: For program point L612(lines 612 632) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 632) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 754 763) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,886 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 754 763) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 754 763) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 199 209) the Hoare annotation is: true [2020-09-21 12:06:07,886 INFO L271 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: true [2020-09-21 12:06:07,886 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 199 209) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 199 209) no Hoare annotation was computed. [2020-09-21 12:06:07,886 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 191 198) the Hoare annotation is: true [2020-09-21 12:06:07,887 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 191 198) no Hoare annotation was computed. [2020-09-21 12:06:07,887 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 191 198) no Hoare annotation was computed. [2020-09-21 12:06:07,887 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 158 182) no Hoare annotation was computed. [2020-09-21 12:06:07,887 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 158 182) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:07,887 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:07,887 INFO L268 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-09-21 12:06:07,887 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:07,887 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:07,887 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-09-21 12:06:07,887 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:07,887 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-09-21 12:06:07,887 INFO L268 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-09-21 12:06:07,888 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-09-21 12:06:07,888 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-09-21 12:06:07,888 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2020-09-21 12:06:07,888 INFO L264 CegarLoopResult]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,888 INFO L268 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-09-21 12:06:07,888 INFO L268 CegarLoopResult]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2020-09-21 12:06:07,888 INFO L264 CegarLoopResult]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:07,888 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,888 INFO L268 CegarLoopResult]: For program point L94(lines 94 100) no Hoare annotation was computed. [2020-09-21 12:06:07,889 INFO L264 CegarLoopResult]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,889 INFO L268 CegarLoopResult]: For program point L57(lines 56 105) no Hoare annotation was computed. [2020-09-21 12:06:07,889 INFO L264 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,889 INFO L268 CegarLoopResult]: For program point L86(lines 86 101) no Hoare annotation was computed. [2020-09-21 12:06:07,889 INFO L264 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,889 INFO L268 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-09-21 12:06:07,889 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2020-09-21 12:06:07,889 INFO L264 CegarLoopResult]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,889 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,889 INFO L268 CegarLoopResult]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2020-09-21 12:06:07,889 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-09-21 12:06:07,889 INFO L268 CegarLoopResult]: For program point L572(lines 572 579) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 552 597) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point L566(lines 566 586) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 586) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 552 597) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 552 597) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 862 884) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 862 884) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 862 884) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point L870-2(lines 870 878) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 449 551) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-09-21 12:06:07,890 INFO L268 CegarLoopResult]: For program point L537(lines 537 548) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 518) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L519(lines 497 520) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 449 551) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L478(lines 478 494) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L499(lines 498 518) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 449 551) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L495(lines 495 536) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 649 658) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 649 658) no Hoare annotation was computed. [2020-09-21 12:06:07,891 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 649 658) no Hoare annotation was computed. [2020-09-21 12:06:07,892 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:07,892 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:06:07,892 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:07,892 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2020-09-21 12:06:07,892 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2020-09-21 12:06:07,892 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 183 190) no Hoare annotation was computed. [2020-09-21 12:06:07,892 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 885 893) no Hoare annotation was computed. [2020-09-21 12:06:07,893 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 885 893) no Hoare annotation was computed. [2020-09-21 12:06:07,893 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 885 893) no Hoare annotation was computed. [2020-09-21 12:06:07,893 INFO L268 CegarLoopResult]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2020-09-21 12:06:07,893 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 841 852) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:06:07,893 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 841 852) no Hoare annotation was computed. [2020-09-21 12:06:07,893 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:07,893 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:07,893 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:07,894 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:07,894 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:07,894 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2020-09-21 12:06:07,894 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:07,894 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2020-09-21 12:06:07,894 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:07,894 INFO L268 CegarLoopResult]: For program point L130(lines 129 148) no Hoare annotation was computed. [2020-09-21 12:06:07,894 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-09-21 12:06:07,895 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 693 722) no Hoare annotation was computed. [2020-09-21 12:06:07,895 INFO L271 CegarLoopResult]: At program point L703-2(lines 703 717) the Hoare annotation is: true [2020-09-21 12:06:07,895 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 693 722) the Hoare annotation is: true [2020-09-21 12:06:07,895 INFO L271 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: true [2020-09-21 12:06:07,895 INFO L268 CegarLoopResult]: For program point L699-1(line 699) no Hoare annotation was computed. [2020-09-21 12:06:07,895 INFO L271 CegarLoopResult]: At program point L718(lines 693 722) the Hoare annotation is: true [2020-09-21 12:06:07,895 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-09-21 12:06:07,895 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-09-21 12:06:07,895 INFO L271 CegarLoopResult]: At program point L707-1(lines 707 711) the Hoare annotation is: true [2020-09-21 12:06:07,896 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 853 861) the Hoare annotation is: true [2020-09-21 12:06:07,896 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 853 861) no Hoare annotation was computed. [2020-09-21 12:06:07,896 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 853 861) no Hoare annotation was computed. [2020-09-21 12:06:07,896 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 817 828) the Hoare annotation is: true [2020-09-21 12:06:07,896 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-09-21 12:06:07,896 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-09-21 12:06:07,896 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 747 753) no Hoare annotation was computed. [2020-09-21 12:06:07,896 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 747 753) the Hoare annotation is: true [2020-09-21 12:06:07,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:07,897 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 12:06:07,897 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:07,897 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:07,897 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 270 277) no Hoare annotation was computed. [2020-09-21 12:06:07,897 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 270 277) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,897 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 270 277) no Hoare annotation was computed. [2020-09-21 12:06:07,897 INFO L268 CegarLoopResult]: For program point L833-1(lines 829 840) no Hoare annotation was computed. [2020-09-21 12:06:07,897 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 829 840) no Hoare annotation was computed. [2020-09-21 12:06:07,897 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 829 840) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:07,898 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 683 690) no Hoare annotation was computed. [2020-09-21 12:06:07,898 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2020-09-21 12:06:07,898 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 683 690) the Hoare annotation is: true [2020-09-21 12:06:07,898 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 683 690) no Hoare annotation was computed. [2020-09-21 12:06:07,898 INFO L268 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-09-21 12:06:07,898 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 12:06:07,898 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-09-21 12:06:07,899 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 788 812) the Hoare annotation is: true [2020-09-21 12:06:07,899 INFO L268 CegarLoopResult]: For program point L796(lines 796 809) no Hoare annotation was computed. [2020-09-21 12:06:07,899 INFO L268 CegarLoopResult]: For program point L796-1(lines 788 812) no Hoare annotation was computed. [2020-09-21 12:06:07,899 INFO L271 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: true [2020-09-21 12:06:07,899 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-09-21 12:06:07,899 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 788 812) no Hoare annotation was computed. [2020-09-21 12:06:07,899 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:06:07,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:07 BoogieIcfgContainer [2020-09-21 12:06:07,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:07,922 INFO L168 Benchmark]: Toolchain (without parser) took 51456.36 ms. Allocated memory was 140.0 MB in the beginning and 718.3 MB in the end (delta: 578.3 MB). Free memory was 102.7 MB in the beginning and 325.5 MB in the end (delta: -222.9 MB). Peak memory consumption was 558.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:07,923 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:06:07,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.68 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:07,924 INFO L168 Benchmark]: Boogie Preprocessor took 95.92 ms. Allocated memory is still 202.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:07,925 INFO L168 Benchmark]: RCFGBuilder took 1184.99 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 168.9 MB in the beginning and 202.9 MB in the end (delta: -34.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:07,925 INFO L168 Benchmark]: TraceAbstraction took 49431.25 ms. Allocated memory was 236.5 MB in the beginning and 718.3 MB in the end (delta: 481.8 MB). Free memory was 202.9 MB in the beginning and 325.5 MB in the end (delta: -122.6 MB). Peak memory consumption was 562.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:07,929 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.68 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.92 ms. Allocated memory is still 202.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.99 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 168.9 MB in the beginning and 202.9 MB in the end (delta: -34.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49431.25 ms. Allocated memory was 236.5 MB in the beginning and 718.3 MB in the end (delta: 481.8 MB). Free memory was 202.9 MB in the beginning and 325.5 MB in the end (delta: -122.6 MB). Peak memory consumption was 562.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 482 SDtfs, 679 SDslu, 336 SDs, 0 SdLazy, 1516 SolverSat, 458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 209 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 423 PreInvPairs, 502 NumberOfFragments, 676 HoareAnnotationTreeSize, 423 FomulaSimplifications, 92495 FormulaSimplificationTreeSizeReduction, 21.7s HoareSimplificationTime, 53 FomulaSimplificationsInter, 13112 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 71146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...