/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_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:09:05,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:09:05,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:09:05,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:09:05,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:09:05,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:09:05,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:09:05,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:09:05,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:09:05,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:09:05,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:09:05,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:09:05,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:09:05,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:09:05,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:09:05,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:09:05,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:09:05,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:09:05,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:09:05,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:09:05,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:09:05,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:09:05,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:09:05,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:09:05,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:09:05,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:09:05,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:09:05,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:09:05,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:09:05,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:09:05,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:09:05,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:09:05,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:09:05,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:09:05,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:09:05,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:09:05,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:09:05,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:09:05,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:09:05,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:09:05,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:09:05,663 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 12:09:05,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:09:05,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:09:05,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:09:05,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:09:05,709 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:09:05,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:09:05,710 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:09:05,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:09:05,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:09:05,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:09:05,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:09:05,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:09:05,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:09:05,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:09:05,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:09:05,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:09:05,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:09:05,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:09:05,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:09:05,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:09:05,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:09:05,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:09:05,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:09:05,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:09:05,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:09:05,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:09:05,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:09:05,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:09:05,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:09:05,715 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 12:09:06,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:09:06,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:09:06,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:09:06,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:09:06,222 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:09:06,224 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-09-21 12:09:06,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c7f5a9bf/9b66e21fdf55446bb6a86f0ca9d48537/FLAGee6a46924 [2020-09-21 12:09:06,947 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:09:06,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-09-21 12:09:06,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c7f5a9bf/9b66e21fdf55446bb6a86f0ca9d48537/FLAGee6a46924 [2020-09-21 12:09:07,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c7f5a9bf/9b66e21fdf55446bb6a86f0ca9d48537 [2020-09-21 12:09:07,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:09:07,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:09:07,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:07,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:09:07,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:09:07,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c09893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07, skipping insertion in model container [2020-09-21 12:09:07,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:09:07,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:09:07,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:07,790 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:09:07,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:07,911 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:09:07,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07 WrapperNode [2020-09-21 12:09:07,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:07,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:09:07,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:09:07,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:09:07,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:08,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:08,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:08,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:09:08,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:09:08,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:09:08,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:09:08,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (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 12:09:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:09:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:09:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:09:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:09:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:09:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:09:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:09:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:09:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:09:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:09:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:09:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:09:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:09:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:09:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:09:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:09:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:09:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:09:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:09:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:09:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:09:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:09:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:09:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:09:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:09:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:09:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:09:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:09:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:09:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:09:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:09:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:09:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:09:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:09:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:09:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:09:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:09:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:09:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:09:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:09:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:09:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:09:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:09:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:09:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:09:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:09:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:09:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:09:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:09:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:09:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:09:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:09:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:09:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:09:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:09:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:09:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:09:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:09:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:09:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:09:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:09:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:09:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:09:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:09:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:09:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:09:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:09:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:09:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:09:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:09:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:09:11,237 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:09:11,237 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:09:11,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:11 BoogieIcfgContainer [2020-09-21 12:09:11,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:09:11,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:09:11,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:09:11,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:09:11,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:09:07" (1/3) ... [2020-09-21 12:09:11,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e45c62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:11, skipping insertion in model container [2020-09-21 12:09:11,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (2/3) ... [2020-09-21 12:09:11,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e45c62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:11, skipping insertion in model container [2020-09-21 12:09:11,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:11" (3/3) ... [2020-09-21 12:09:11,253 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-09-21 12:09:11,264 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:09:11,275 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:09:11,298 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:09:11,329 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:09:11,329 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:09:11,329 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:09:11,329 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:09:11,329 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:09:11,329 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:09:11,330 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:09:11,330 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:09:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-09-21 12:09:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:09:11,365 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:11,366 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] [2020-09-21 12:09:11,367 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:11,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:11,373 INFO L82 PathProgramCache]: Analyzing trace with hash 360322955, now seen corresponding path program 1 times [2020-09-21 12:09:11,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:11,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741687247] [2020-09-21 12:09:11,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:09:12,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1082 [2020-09-21 12:09:12,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:12,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:09:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:09:13,200 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:13,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 12:09:13,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:13,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:13,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:13,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:13,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:13,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:13,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:09:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,401 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 12:09:13,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741687247] [2020-09-21 12:09:13,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:13,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:09:13,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298429179] [2020-09-21 12:09:13,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:09:13,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:13,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:09:13,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:13,432 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2020-09-21 12:09:14,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:14,423 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2020-09-21 12:09:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:09:14,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:09:14,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:14,442 INFO L225 Difference]: With dead ends: 246 [2020-09-21 12:09:14,442 INFO L226 Difference]: Without dead ends: 138 [2020-09-21 12:09:14,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:14,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-09-21 12:09:14,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2020-09-21 12:09:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 12:09:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-09-21 12:09:14,542 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2020-09-21 12:09:14,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:14,542 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-09-21 12:09:14,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:09:14,543 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-09-21 12:09:14,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:09:14,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:14,546 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 12:09:14,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:09:14,547 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:14,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:14,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1474642768, now seen corresponding path program 1 times [2020-09-21 12:09:14,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:14,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063966688] [2020-09-21 12:09:14,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:15,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:15,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:09:15,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-09-21 12:09:15,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:09:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:16,062 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:09:16,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:16,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:16,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:16,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:16,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:16,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:16,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:16,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:16,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:16,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:16,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,273 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 12:09:16,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063966688] [2020-09-21 12:09:16,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:16,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:16,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398070218] [2020-09-21 12:09:16,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:16,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:16,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:16,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:16,278 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2020-09-21 12:09:16,762 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:17,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:17,442 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2020-09-21 12:09:17,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:17,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:09:17,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:17,446 INFO L225 Difference]: With dead ends: 191 [2020-09-21 12:09:17,446 INFO L226 Difference]: Without dead ends: 128 [2020-09-21 12:09:17,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:17,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-21 12:09:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-09-21 12:09:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 12:09:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-09-21 12:09:17,483 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2020-09-21 12:09:17,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:17,483 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-09-21 12:09:17,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-09-21 12:09:17,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:09:17,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:17,486 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] [2020-09-21 12:09:17,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:09:17,487 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:17,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:17,487 INFO L82 PathProgramCache]: Analyzing trace with hash -282288247, now seen corresponding path program 1 times [2020-09-21 12:09:17,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:17,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877428232] [2020-09-21 12:09:17,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:18,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:18,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:09:18,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:18,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:09:18,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:18,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:09:18,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:18,924 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:18,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:19,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-21 12:09:19,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:19,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:19,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:19,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:19,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:19,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:19,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:19,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:19,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:19,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:19,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:19,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:19,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:19,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:19,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:19,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:19,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:19,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:09:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:19,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:19,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:19,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:09:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:19,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:19,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:19,178 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 12:09:19,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877428232] [2020-09-21 12:09:19,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:19,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:19,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489846977] [2020-09-21 12:09:19,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:19,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:19,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:19,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:19,182 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 5 states. [2020-09-21 12:09:19,574 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:20,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:20,385 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2020-09-21 12:09:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:09:20,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:09:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:20,388 INFO L225 Difference]: With dead ends: 200 [2020-09-21 12:09:20,388 INFO L226 Difference]: Without dead ends: 128 [2020-09-21 12:09:20,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-21 12:09:20,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-09-21 12:09:20,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 12:09:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-09-21 12:09:20,453 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2020-09-21 12:09:20,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:20,455 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-09-21 12:09:20,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-09-21 12:09:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 12:09:20,464 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:20,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:20,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:09:20,465 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:20,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:20,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1883415514, now seen corresponding path program 1 times [2020-09-21 12:09:20,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:20,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257191955] [2020-09-21 12:09:20,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:21,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:21,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:21,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:21,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:09:21,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:09:21,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:09:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-21 12:09:21,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:09:21,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:21,983 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:21,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:22,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:09:22,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:22,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:22,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:22,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:22,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:22,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:22,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:22,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:22,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:22,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:22,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:22,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:22,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:22,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:22,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:22,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:22,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:09:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:22,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:22,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:22,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:22,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:22,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:22,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:22,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:22,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:09:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:22,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:22,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:22,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:22,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:09:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:22,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:22,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:22,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:22,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:22,227 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 12:09:22,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257191955] [2020-09-21 12:09:22,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:22,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:22,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129805641] [2020-09-21 12:09:22,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:22,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:22,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:22,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:22,231 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2020-09-21 12:09:22,717 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:23,672 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:24,061 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:24,394 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:09:24,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:24,567 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2020-09-21 12:09:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:09:24,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-09-21 12:09:24,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:24,568 INFO L225 Difference]: With dead ends: 169 [2020-09-21 12:09:24,568 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:24,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:09:24,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:24,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:24,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-09-21 12:09:24,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:24,572 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:24,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:24,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:24,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:24,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:24,771 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:24,932 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:25,101 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:25,269 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:25,436 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:25,628 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:09:25,813 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 12:09:25,986 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:26,148 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:26,300 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:26,462 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:26,617 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:26,778 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:26,933 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:27,227 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:27,509 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:27,785 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:27,939 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,096 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,248 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,401 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,555 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,713 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,865 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,023 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,192 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,344 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,516 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:09:29,672 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,827 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,984 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:30,265 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:30,554 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:30,827 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:30,979 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,138 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 12:09:31,293 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,446 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,599 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,759 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,960 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:09:32,191 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:32,417 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:32,699 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:32,914 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:33,198 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:33,410 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:09:33,632 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:09:33,840 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:34,053 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:34,291 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:34,500 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:09:34,741 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:34,979 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:35,201 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:35,426 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:09:35,643 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:35,901 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:36,115 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:36,327 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:36,332 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-09-21 12:09:36,332 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 660) no Hoare annotation was computed. [2020-09-21 12:09:36,332 INFO L268 CegarLoopResult]: For program point L661(lines 638 662) no Hoare annotation was computed. [2020-09-21 12:09:36,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 614 669) no Hoare annotation was computed. [2020-09-21 12:09:36,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 614 669) no Hoare annotation was computed. [2020-09-21 12:09:36,333 INFO L268 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-09-21 12:09:36,333 INFO L268 CegarLoopResult]: For program point L645-1(lines 645 649) no Hoare annotation was computed. [2020-09-21 12:09:36,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 614 669) no Hoare annotation was computed. [2020-09-21 12:09:36,333 INFO L268 CegarLoopResult]: For program point L702(lines 702 706) no Hoare annotation was computed. [2020-09-21 12:09:36,333 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 706) no Hoare annotation was computed. [2020-09-21 12:09:36,334 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-09-21 12:09:36,334 INFO L268 CegarLoopResult]: For program point L696-2(lines 696 721) no Hoare annotation was computed. [2020-09-21 12:09:36,334 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 670 729) no Hoare annotation was computed. [2020-09-21 12:09:36,334 INFO L268 CegarLoopResult]: For program point L722(lines 695 723) no Hoare annotation was computed. [2020-09-21 12:09:36,334 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 670 729) no Hoare annotation was computed. [2020-09-21 12:09:36,334 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-09-21 12:09:36,334 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-09-21 12:09:36,335 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 670 729) no Hoare annotation was computed. [2020-09-21 12:09:36,335 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2020-09-21 12:09:36,335 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2020-09-21 12:09:36,335 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2020-09-21 12:09:36,335 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2020-09-21 12:09:36,336 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 171 179) no Hoare annotation was computed. [2020-09-21 12:09:36,336 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,336 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,336 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,337 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,337 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:09:36,337 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:09:36,337 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,337 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:09:36,338 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:09:36,339 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:09:36,339 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:09:36,339 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:09:36,339 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:09:36,339 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:09:36,339 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:09:36,339 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 359 367) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 359 367) the Hoare annotation is: true [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 359 367) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-09-21 12:09:36,340 INFO L271 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: true [2020-09-21 12:09:36,341 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2020-09-21 12:09:36,341 INFO L268 CegarLoopResult]: For program point L411-1(line 411) no Hoare annotation was computed. [2020-09-21 12:09:36,341 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 404 422) the Hoare annotation is: true [2020-09-21 12:09:36,341 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 404 422) no Hoare annotation was computed. [2020-09-21 12:09:36,341 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 404 422) no Hoare annotation was computed. [2020-09-21 12:09:36,341 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-09-21 12:09:36,341 INFO L268 CegarLoopResult]: For program point L375(lines 375 383) no Hoare annotation was computed. [2020-09-21 12:09:36,341 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 383) no Hoare annotation was computed. [2020-09-21 12:09:36,342 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 368 403) no Hoare annotation was computed. [2020-09-21 12:09:36,342 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 12:09:36,342 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-09-21 12:09:36,342 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 368 403) no Hoare annotation was computed. [2020-09-21 12:09:36,342 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-09-21 12:09:36,342 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 368 403) no Hoare annotation was computed. [2020-09-21 12:09:36,342 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2020-09-21 12:09:36,343 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2020-09-21 12:09:36,343 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 568 613) no Hoare annotation was computed. [2020-09-21 12:09:36,343 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 568 613) no Hoare annotation was computed. [2020-09-21 12:09:36,343 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 568 613) no Hoare annotation was computed. [2020-09-21 12:09:36,343 INFO L268 CegarLoopResult]: For program point L895(lines 895 915) no Hoare annotation was computed. [2020-09-21 12:09:36,343 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 915) no Hoare annotation was computed. [2020-09-21 12:09:36,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 881 926) no Hoare annotation was computed. [2020-09-21 12:09:36,344 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 881 926) no Hoare annotation was computed. [2020-09-21 12:09:36,344 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 881 926) no Hoare annotation was computed. [2020-09-21 12:09:36,344 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-09-21 12:09:36,344 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:09:36,344 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,344 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:09:36,344 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:09:36,345 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-09-21 12:09:36,345 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-09-21 12:09:36,345 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 348 358) no Hoare annotation was computed. [2020-09-21 12:09:36,345 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 348 358) no Hoare annotation was computed. [2020-09-21 12:09:36,345 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 348 358) no Hoare annotation was computed. [2020-09-21 12:09:36,345 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 340 347) the Hoare annotation is: true [2020-09-21 12:09:36,345 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 340 347) no Hoare annotation was computed. [2020-09-21 12:09:36,346 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 340 347) no Hoare annotation was computed. [2020-09-21 12:09:36,346 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 289 313) no Hoare annotation was computed. [2020-09-21 12:09:36,346 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,346 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 289 313) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,346 INFO L268 CegarLoopResult]: For program point L308-1(lines 289 313) no Hoare annotation was computed. [2020-09-21 12:09:36,346 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,347 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,347 INFO L268 CegarLoopResult]: For program point L297(lines 297 305) no Hoare annotation was computed. [2020-09-21 12:09:36,347 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,347 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-09-21 12:09:36,347 INFO L268 CegarLoopResult]: For program point L293(lines 293 310) no Hoare annotation was computed. [2020-09-21 12:09:36,347 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 281 287) no Hoare annotation was computed. [2020-09-21 12:09:36,347 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 281 287) the Hoare annotation is: true [2020-09-21 12:09:36,348 INFO L264 CegarLoopResult]: At program point L227-2(lines 221 232) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:36,348 INFO L268 CegarLoopResult]: For program point L192(lines 191 236) no Hoare annotation was computed. [2020-09-21 12:09:36,348 INFO L264 CegarLoopResult]: At program point testENTRY(lines 181 244) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,348 INFO L268 CegarLoopResult]: For program point L221(lines 221 232) no Hoare annotation was computed. [2020-09-21 12:09:36,348 INFO L268 CegarLoopResult]: For program point testFINAL(lines 181 244) no Hoare annotation was computed. [2020-09-21 12:09:36,348 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:36,349 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-09-21 12:09:36,349 INFO L268 CegarLoopResult]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2020-09-21 12:09:36,349 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:36,349 INFO L264 CegarLoopResult]: At program point L234(lines 191 236) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:36,349 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-09-21 12:09:36,349 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 207) no Hoare annotation was computed. [2020-09-21 12:09:36,349 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-09-21 12:09:36,350 INFO L264 CegarLoopResult]: At program point L237(lines 190 238) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,350 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-09-21 12:09:36,350 INFO L268 CegarLoopResult]: For program point testEXIT(lines 181 244) no Hoare annotation was computed. [2020-09-21 12:09:36,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 835 880) no Hoare annotation was computed. [2020-09-21 12:09:36,350 INFO L268 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2020-09-21 12:09:36,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 835 880) no Hoare annotation was computed. [2020-09-21 12:09:36,350 INFO L268 CegarLoopResult]: For program point L849(lines 849 869) no Hoare annotation was computed. [2020-09-21 12:09:36,351 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 835 880) no Hoare annotation was computed. [2020-09-21 12:09:36,351 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 869) no Hoare annotation was computed. [2020-09-21 12:09:36,351 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 314 321) no Hoare annotation was computed. [2020-09-21 12:09:36,351 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 314 321) no Hoare annotation was computed. [2020-09-21 12:09:36,351 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 314 321) no Hoare annotation was computed. [2020-09-21 12:09:36,351 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 504 512) no Hoare annotation was computed. [2020-09-21 12:09:36,351 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 504 512) the Hoare annotation is: true [2020-09-21 12:09:36,352 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 504 512) no Hoare annotation was computed. [2020-09-21 12:09:36,352 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-09-21 12:09:36,352 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-09-21 12:09:36,352 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:36,352 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-09-21 12:09:36,352 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-09-21 12:09:36,352 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-09-21 12:09:36,353 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:36,353 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-09-21 12:09:36,353 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:36,353 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-09-21 12:09:36,353 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:36,353 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:36,353 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-09-21 12:09:36,353 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 472 494) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 472 494) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 472 494) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 147 156) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 147 156) no Hoare annotation was computed. [2020-09-21 12:09:36,354 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 147 156) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 732 834) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point L820(lines 820 831) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point L781-2(lines 781 801) no Hoare annotation was computed. [2020-09-21 12:09:36,355 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 732 834) no Hoare annotation was computed. [2020-09-21 12:09:36,356 INFO L268 CegarLoopResult]: For program point L802(lines 780 803) no Hoare annotation was computed. [2020-09-21 12:09:36,356 INFO L268 CegarLoopResult]: For program point L761(lines 761 777) no Hoare annotation was computed. [2020-09-21 12:09:36,356 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-09-21 12:09:36,356 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 732 834) no Hoare annotation was computed. [2020-09-21 12:09:36,356 INFO L268 CegarLoopResult]: For program point L782(lines 781 801) no Hoare annotation was computed. [2020-09-21 12:09:36,356 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-09-21 12:09:36,356 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-09-21 12:09:36,357 INFO L268 CegarLoopResult]: For program point L778(lines 778 819) no Hoare annotation was computed. [2020-09-21 12:09:36,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:36,357 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:36,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:36,357 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point L334-1(lines 323 339) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 323 339) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 323 339) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 495 503) no Hoare annotation was computed. [2020-09-21 12:09:36,358 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 495 503) no Hoare annotation was computed. [2020-09-21 12:09:36,359 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 495 503) no Hoare annotation was computed. [2020-09-21 12:09:36,359 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 451 462) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:36,359 INFO L268 CegarLoopResult]: For program point L455-1(lines 451 462) no Hoare annotation was computed. [2020-09-21 12:09:36,359 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 451 462) no Hoare annotation was computed. [2020-09-21 12:09:36,359 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:36,359 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:36,359 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:36,360 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 257 280) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,360 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,360 INFO L264 CegarLoopResult]: At program point L268(lines 268 274) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,360 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 257 280) no Hoare annotation was computed. [2020-09-21 12:09:36,360 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:36,360 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 257 280) no Hoare annotation was computed. [2020-09-21 12:09:36,360 INFO L268 CegarLoopResult]: For program point L261(lines 260 279) no Hoare annotation was computed. [2020-09-21 12:09:36,361 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:09:36,361 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:09:36,361 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:09:36,361 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:09:36,361 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:09:36,361 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:09:36,361 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:09:36,361 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:09:36,362 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:09:36,362 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:09:36,362 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 463 471) the Hoare annotation is: true [2020-09-21 12:09:36,362 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 463 471) no Hoare annotation was computed. [2020-09-21 12:09:36,362 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 463 471) no Hoare annotation was computed. [2020-09-21 12:09:36,362 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 427 438) the Hoare annotation is: true [2020-09-21 12:09:36,363 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-09-21 12:09:36,363 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 427 438) no Hoare annotation was computed. [2020-09-21 12:09:36,363 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:09:36,363 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:09:36,363 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:36,363 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:09:36,363 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:36,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:36,364 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 439 450) no Hoare annotation was computed. [2020-09-21 12:09:36,364 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-09-21 12:09:36,364 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 439 450) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:36,364 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 514 521) no Hoare annotation was computed. [2020-09-21 12:09:36,364 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-09-21 12:09:36,364 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2020-09-21 12:09:36,365 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2020-09-21 12:09:36,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:36 BoogieIcfgContainer [2020-09-21 12:09:36,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:36,388 INFO L168 Benchmark]: Toolchain (without parser) took 29168.86 ms. Allocated memory was 137.9 MB in the beginning and 526.4 MB in the end (delta: 388.5 MB). Free memory was 99.8 MB in the beginning and 102.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 404.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:36,389 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:09:36,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.26 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.1 MB in the beginning and 167.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:36,391 INFO L168 Benchmark]: Boogie Preprocessor took 127.32 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:36,391 INFO L168 Benchmark]: RCFGBuilder took 3203.59 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.0 MB in the beginning and 195.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:36,392 INFO L168 Benchmark]: TraceAbstraction took 25141.28 ms. Allocated memory was 230.7 MB in the beginning and 526.4 MB in the end (delta: 295.7 MB). Free memory was 194.3 MB in the beginning and 102.5 MB in the end (delta: 91.8 MB). Peak memory consumption was 406.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:36,396 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 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.26 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.1 MB in the beginning and 167.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.32 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3203.59 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.0 MB in the beginning and 195.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25141.28 ms. Allocated memory was 230.7 MB in the beginning and 526.4 MB in the end (delta: 295.7 MB). Free memory was 194.3 MB in the beginning and 102.5 MB in the end (delta: 91.8 MB). Peak memory consumption was 406.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 191]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: !(1 <= systemActive) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 339 SDtfs, 464 SDslu, 177 SDs, 0 SdLazy, 685 SolverSat, 291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 85 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 171 PreInvPairs, 188 NumberOfFragments, 672 HoareAnnotationTreeSize, 171 FomulaSimplifications, 15980 FormulaSimplificationTreeSizeReduction, 7.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 4947 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 58363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...