/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:06:35,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:06:35,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:06:35,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:06:35,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:06:35,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:06:35,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:06:35,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:06:35,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:06:35,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:06:35,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:06:35,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:06:35,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:06:35,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:06:35,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:06:35,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:06:35,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:06:35,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:06:35,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:06:35,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:06:35,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:06:35,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:06:35,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:06:35,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:06:35,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:06:35,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:06:35,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:06:35,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:06:35,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:06:35,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:06:35,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:06:35,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:06:35,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:06:35,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:06:35,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:06:35,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:06:35,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:06:35,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:06:35,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:06:35,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:06:35,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:06:35,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:06:35,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:06:35,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:06:35,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:06:35,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:06:35,734 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:06:35,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:06:35,735 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:06:35,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:06:35,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:06:35,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:06:35,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:06:35,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:06:35,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:06:35,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:06:35,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:06:35,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:06:35,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:06:35,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:06:35,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:06:35,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:06:35,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:06:35,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:06:35,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:06:35,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:06:35,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:06:35,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:06:35,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:06:35,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:06:35,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:06:35,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:06:36,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:06:36,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:06:36,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:06:36,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:06:36,263 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:06:36,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2020-10-28 17:06:36,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1df4678ce/9425fd52f7c34d8b8f5fd028193bbffa/FLAG13d0707c8 [2020-10-28 17:06:37,120 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:06:37,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2020-10-28 17:06:37,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1df4678ce/9425fd52f7c34d8b8f5fd028193bbffa/FLAG13d0707c8 [2020-10-28 17:06:37,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1df4678ce/9425fd52f7c34d8b8f5fd028193bbffa [2020-10-28 17:06:37,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:06:37,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:06:37,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:06:37,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:06:37,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:06:37,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:06:37" (1/1) ... [2020-10-28 17:06:37,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526fbd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:37, skipping insertion in model container [2020-10-28 17:06:37,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:06:37" (1/1) ... [2020-10-28 17:06:37,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:06:37,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:06:37,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:06:37,952 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:06:38,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:06:38,100 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:06:38,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38 WrapperNode [2020-10-28 17:06:38,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:06:38,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:06:38,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:06:38,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:06:38,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... [2020-10-28 17:06:38,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... [2020-10-28 17:06:38,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... [2020-10-28 17:06:38,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... [2020-10-28 17:06:38,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... [2020-10-28 17:06:38,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... [2020-10-28 17:06:38,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... [2020-10-28 17:06:38,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:06:38,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:06:38,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:06:38,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:06:38,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:06:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:06:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:06:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:06:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:06:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:06:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:06:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:06:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:06:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:06:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:06:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:06:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:06:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:06:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:06:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:06:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:06:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:06:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:06:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:06:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:06:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:06:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:06:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:06:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:06:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:06:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:06:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:06:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:06:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:06:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:06:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:06:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:06:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:06:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 17:06:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:06:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:06:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:06:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:06:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:06:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:06:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:06:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:06:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:06:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:06:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:06:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:06:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:06:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:06:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:06:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:06:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:06:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:06:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:06:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:06:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:06:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:06:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:06:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:06:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:06:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:06:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:06:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:06:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:06:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:06:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:06:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:06:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:06:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:06:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:06:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:06:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:06:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:06:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:06:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:06:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:06:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:06:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:06:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:06:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:06:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:06:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:06:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:06:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:06:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:06:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:06:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:06:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:06:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:06:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:06:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:06:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:06:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:06:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:06:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:06:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:06:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 17:06:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:06:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:06:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:06:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:06:39,710 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:06:39,710 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:06:39,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:39 BoogieIcfgContainer [2020-10-28 17:06:39,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:06:39,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:06:39,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:06:39,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:06:39,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:06:37" (1/3) ... [2020-10-28 17:06:39,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1c4de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:39, skipping insertion in model container [2020-10-28 17:06:39,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:38" (2/3) ... [2020-10-28 17:06:39,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1c4de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:39, skipping insertion in model container [2020-10-28 17:06:39,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:39" (3/3) ... [2020-10-28 17:06:39,723 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2020-10-28 17:06:39,736 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:06:39,743 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:06:39,763 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:06:39,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:06:39,793 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:06:39,793 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:06:39,794 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:06:39,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:06:39,794 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:06:39,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:06:39,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:06:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-10-28 17:06:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:06:39,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:39,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:39,858 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:39,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:39,865 INFO L82 PathProgramCache]: Analyzing trace with hash 618070640, now seen corresponding path program 1 times [2020-10-28 17:06:39,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:39,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177456750] [2020-10-28 17:06:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:40,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:40,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:42,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:06:45,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:06:45,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:06:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 17:06:45,684 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:45,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:45,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 17:06:45,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:45,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:45,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:45,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:45,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:45,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:45,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:45,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:45,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:45,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:45,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:45,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:45,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:45,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:45,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:45,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:06:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:45,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:45,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:45,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:45,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:06:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:45,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:45,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:45,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:45,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:45,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:45,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:45,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:45,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:45,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:45,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177456750] [2020-10-28 17:06:45,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:45,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:06:45,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102976878] [2020-10-28 17:06:45,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:06:45,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:45,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:06:45,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:45,953 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-10-28 17:06:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:47,273 INFO L93 Difference]: Finished difference Result 283 states and 367 transitions. [2020-10-28 17:06:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:06:47,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:06:47,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:47,290 INFO L225 Difference]: With dead ends: 283 [2020-10-28 17:06:47,290 INFO L226 Difference]: Without dead ends: 156 [2020-10-28 17:06:47,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-28 17:06:47,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 125. [2020-10-28 17:06:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-28 17:06:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2020-10-28 17:06:47,404 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 60 [2020-10-28 17:06:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:47,404 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2020-10-28 17:06:47,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:06:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2020-10-28 17:06:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:06:47,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:47,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:47,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:06:47,410 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:47,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:47,411 INFO L82 PathProgramCache]: Analyzing trace with hash 365547387, now seen corresponding path program 1 times [2020-10-28 17:06:47,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:47,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236065426] [2020-10-28 17:06:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:06:52,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:52,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-28 17:06:52,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:06:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:52,864 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:52,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:52,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 17:06:52,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:52,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:52,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:52,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:52,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:52,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:52,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:52,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:52,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:52,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:52,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:52,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:52,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:52,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:52,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:52,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:06:52,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:52,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:52,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:52,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:06:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:52,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:52,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:52,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:52,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:52,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:52,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:52,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:52,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:52,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:06:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:53,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:53,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:53,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:53,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:53,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:53,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:53,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:53,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:06:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:53,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:53,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:53,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:53,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:53,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:53,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:53,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:53,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236065426] [2020-10-28 17:06:53,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:53,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:53,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401587267] [2020-10-28 17:06:53,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:53,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:53,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:53,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:53,030 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 5 states. [2020-10-28 17:06:53,704 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:54,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:54,603 INFO L93 Difference]: Finished difference Result 215 states and 263 transitions. [2020-10-28 17:06:54,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:54,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:06:54,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:54,607 INFO L225 Difference]: With dead ends: 215 [2020-10-28 17:06:54,607 INFO L226 Difference]: Without dead ends: 146 [2020-10-28 17:06:54,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:54,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-28 17:06:54,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 116. [2020-10-28 17:06:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-28 17:06:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-10-28 17:06:54,660 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 61 [2020-10-28 17:06:54,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:54,660 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-10-28 17:06:54,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-10-28 17:06:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 17:06:54,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:54,663 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:54,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:06:54,664 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:54,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:54,665 INFO L82 PathProgramCache]: Analyzing trace with hash 991669114, now seen corresponding path program 1 times [2020-10-28 17:06:54,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:54,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670317740] [2020-10-28 17:06:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:54,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:55,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:55,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:56,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 17:06:58,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:58,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4283 [2020-10-28 17:06:58,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:06:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:58,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:06:58,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:59,437 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:59,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:59,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-28 17:06:59,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:59,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:59,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:59,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:59,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:59,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:59,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:59,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:59,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:59,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:59,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:59,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:59,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:59,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:59,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:59,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:06:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:59,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:59,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:59,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:59,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:59,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:59,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:59,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:59,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:59,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:06:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 17:06:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:59,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:59,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:59,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:59,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:59,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:59,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:59,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:59,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:59,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670317740] [2020-10-28 17:06:59,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:59,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:59,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903992431] [2020-10-28 17:06:59,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:59,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:59,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:59,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:59,765 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 5 states. [2020-10-28 17:07:00,223 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:07:02,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:07:02,064 INFO L93 Difference]: Finished difference Result 328 states and 404 transitions. [2020-10-28 17:07:02,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:07:02,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-28 17:07:02,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:07:02,071 INFO L225 Difference]: With dead ends: 328 [2020-10-28 17:07:02,071 INFO L226 Difference]: Without dead ends: 240 [2020-10-28 17:07:02,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:07:02,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-28 17:07:02,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 193. [2020-10-28 17:07:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-28 17:07:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 230 transitions. [2020-10-28 17:07:02,150 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 230 transitions. Word has length 66 [2020-10-28 17:07:02,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:07:02,151 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 230 transitions. [2020-10-28 17:07:02,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:07:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2020-10-28 17:07:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-28 17:07:02,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:07:02,154 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:07:02,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:07:02,154 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:07:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:07:02,155 INFO L82 PathProgramCache]: Analyzing trace with hash 145020466, now seen corresponding path program 1 times [2020-10-28 17:07:02,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:07:02,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336082751] [2020-10-28 17:07:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:07:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:03,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:04,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:04,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 17:07:04,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:07:04,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2712 [2020-10-28 17:07:04,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:04,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:07:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:07:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:07:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,351 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:07:05,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:07:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 17:07:05,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:07:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:05,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:07:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:07:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:05,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:07:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:07:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:05,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:07:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:07:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:07:05,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:07:05,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:07:05,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:07:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:07:05,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:07:05,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:07:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:07:05,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:07:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:07:05,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:07:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:07:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:07:05,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:07:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:07:05,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 17:07:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:07:05,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:07:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:07:05,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:07:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:07:05,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336082751] [2020-10-28 17:07:05,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:07:05,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:07:05,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103696172] [2020-10-28 17:07:05,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:07:05,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:07:05,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:07:05,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:07:05,641 INFO L87 Difference]: Start difference. First operand 193 states and 230 transitions. Second operand 9 states. [2020-10-28 17:07:06,221 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:07:07,263 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:07:08,305 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:07:08,714 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:07:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:07:08,878 INFO L93 Difference]: Finished difference Result 353 states and 461 transitions. [2020-10-28 17:07:08,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:07:08,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-28 17:07:08,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:07:08,880 INFO L225 Difference]: With dead ends: 353 [2020-10-28 17:07:08,880 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:07:08,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:07:08,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:07:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:07:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:07:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:07:08,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-28 17:07:08,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:07:08,886 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:07:08,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:07:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:07:08,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:07:08,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:07:08,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:07:11,301 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:07:11,588 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:11,901 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:12,202 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:12,510 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:12,829 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:13,144 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:13,415 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:13,697 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 10 [2020-10-28 17:07:14,039 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:07:14,610 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-10-28 17:07:14,904 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:15,197 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:15,732 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:07:16,308 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:07:16,616 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:17,156 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:07:17,691 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:07:18,002 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:18,294 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-28 17:07:18,609 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:18,897 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:19,198 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:19,832 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 13 [2020-10-28 17:07:19,899 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:07:19,899 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:07:19,899 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 379) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 344 399) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point L369-2(lines 369 390) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point L391(lines 368 392) no Hoare annotation was computed. [2020-10-28 17:07:19,900 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 344 399) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 344 399) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point L445-1(line 445) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 400 459) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point L432-1(lines 432 436) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 400 459) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 17:07:19,901 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 400 459) no Hoare annotation was computed. [2020-10-28 17:07:19,902 INFO L274 CegarLoopResult]: For program point L426-2(lines 426 451) no Hoare annotation was computed. [2020-10-28 17:07:19,902 INFO L274 CegarLoopResult]: For program point L452(lines 425 453) no Hoare annotation was computed. [2020-10-28 17:07:19,902 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 676 682) the Hoare annotation is: true [2020-10-28 17:07:19,902 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 676 682) no Hoare annotation was computed. [2020-10-28 17:07:19,902 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 683 691) no Hoare annotation was computed. [2020-10-28 17:07:19,902 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 683 691) the Hoare annotation is: true [2020-10-28 17:07:19,902 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 683 691) no Hoare annotation was computed. [2020-10-28 17:07:19,902 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 141 148) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,903 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 141 148) no Hoare annotation was computed. [2020-10-28 17:07:19,903 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 141 148) no Hoare annotation was computed. [2020-10-28 17:07:19,903 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 149 158) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,903 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 149 158) no Hoare annotation was computed. [2020-10-28 17:07:19,903 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-28 17:07:19,903 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 149 158) no Hoare annotation was computed. [2020-10-28 17:07:19,903 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 159 187) the Hoare annotation is: true [2020-10-28 17:07:19,903 INFO L270 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,904 INFO L274 CegarLoopResult]: For program point L172(lines 172 178) no Hoare annotation was computed. [2020-10-28 17:07:19,904 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 159 187) no Hoare annotation was computed. [2020-10-28 17:07:19,904 INFO L274 CegarLoopResult]: For program point L171(lines 171 181) no Hoare annotation was computed. [2020-10-28 17:07:19,904 INFO L277 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: true [2020-10-28 17:07:19,904 INFO L274 CegarLoopResult]: For program point L169-1(line 169) no Hoare annotation was computed. [2020-10-28 17:07:19,904 INFO L274 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-10-28 17:07:19,904 INFO L274 CegarLoopResult]: For program point L167-1(lines 159 187) no Hoare annotation was computed. [2020-10-28 17:07:19,904 INFO L277 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: true [2020-10-28 17:07:19,904 INFO L274 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-10-28 17:07:19,905 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 268 290) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,905 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 268 290) no Hoare annotation was computed. [2020-10-28 17:07:19,905 INFO L270 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,905 INFO L270 CegarLoopResult]: At program point L280-1(line 280) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,905 INFO L274 CegarLoopResult]: For program point L278(lines 278 285) no Hoare annotation was computed. [2020-10-28 17:07:19,905 INFO L274 CegarLoopResult]: For program point L278-1(lines 278 285) no Hoare annotation was computed. [2020-10-28 17:07:19,905 INFO L274 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-10-28 17:07:19,906 INFO L270 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,906 INFO L270 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,906 INFO L270 CegarLoopResult]: At program point L274-1(line 274) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,906 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 268 290) no Hoare annotation was computed. [2020-10-28 17:07:19,906 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 222 245) no Hoare annotation was computed. [2020-10-28 17:07:19,906 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 222 245) no Hoare annotation was computed. [2020-10-28 17:07:19,906 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 222 245) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-10-28 17:07:19,907 INFO L274 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-10-28 17:07:19,908 INFO L274 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-10-28 17:07:19,908 INFO L274 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-10-28 17:07:19,908 INFO L274 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-10-28 17:07:19,908 INFO L274 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-10-28 17:07:19,908 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 878 892) no Hoare annotation was computed. [2020-10-28 17:07:19,908 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 878 892) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,908 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 878 892) no Hoare annotation was computed. [2020-10-28 17:07:19,908 INFO L270 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,908 INFO L274 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 814 822) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 814 822) the Hoare annotation is: true [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 814 822) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 859 877) the Hoare annotation is: true [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 859 877) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L277 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: true [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 872) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 859 877) no Hoare annotation was computed. [2020-10-28 17:07:19,909 INFO L274 CegarLoopResult]: For program point L830(lines 830 838) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point L830-2(lines 830 838) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 823 858) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point L842(lines 842 850) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point L842-2(lines 842 850) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 823 858) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 823 858) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 669 675) no Hoare annotation was computed. [2020-10-28 17:07:19,910 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 669 675) the Hoare annotation is: true [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 298 343) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 298 343) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 298 343) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point L635(lines 635 636) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 611 656) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point L631(lines 631 638) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point L625(lines 625 645) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point L625-1(lines 625 645) no Hoare annotation was computed. [2020-10-28 17:07:19,911 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 635 636) no Hoare annotation was computed. [2020-10-28 17:07:19,912 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 642 643) no Hoare annotation was computed. [2020-10-28 17:07:19,912 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 611 656) no Hoare annotation was computed. [2020-10-28 17:07:19,912 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 611 656) no Hoare annotation was computed. [2020-10-28 17:07:19,912 INFO L274 CegarLoopResult]: For program point L642(lines 642 643) no Hoare annotation was computed. [2020-10-28 17:07:19,912 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 254 264) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,912 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 254 264) no Hoare annotation was computed. [2020-10-28 17:07:19,912 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 254 264) no Hoare annotation was computed. [2020-10-28 17:07:19,912 INFO L270 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,913 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 803 813) no Hoare annotation was computed. [2020-10-28 17:07:19,913 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 803 813) no Hoare annotation was computed. [2020-10-28 17:07:19,913 INFO L274 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-28 17:07:19,913 INFO L274 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-10-28 17:07:19,913 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 803 813) no Hoare annotation was computed. [2020-10-28 17:07:19,913 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 795 802) the Hoare annotation is: true [2020-10-28 17:07:19,913 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 795 802) no Hoare annotation was computed. [2020-10-28 17:07:19,913 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 795 802) no Hoare annotation was computed. [2020-10-28 17:07:19,913 INFO L270 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:07:19,914 INFO L274 CegarLoopResult]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2020-10-28 17:07:19,914 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2020-10-28 17:07:19,914 INFO L270 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,914 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:07:19,914 INFO L270 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,914 INFO L274 CegarLoopResult]: For program point L752(lines 752 760) no Hoare annotation was computed. [2020-10-28 17:07:19,914 INFO L270 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,914 INFO L274 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-10-28 17:07:19,914 INFO L274 CegarLoopResult]: For program point L748(lines 748 765) no Hoare annotation was computed. [2020-10-28 17:07:19,914 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 736 742) no Hoare annotation was computed. [2020-10-28 17:07:19,914 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 736 742) the Hoare annotation is: true [2020-10-28 17:07:19,915 INFO L270 CegarLoopResult]: At program point testENTRY(lines 902 969) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,915 INFO L270 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,915 INFO L274 CegarLoopResult]: For program point testFINAL(lines 902 969) no Hoare annotation was computed. [2020-10-28 17:07:19,915 INFO L274 CegarLoopResult]: For program point L950(lines 950 956) no Hoare annotation was computed. [2020-10-28 17:07:19,915 INFO L270 CegarLoopResult]: At program point L950-1(lines 942 957) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,915 INFO L274 CegarLoopResult]: For program point L913(lines 912 961) no Hoare annotation was computed. [2020-10-28 17:07:19,915 INFO L270 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,915 INFO L274 CegarLoopResult]: For program point L942(lines 942 957) no Hoare annotation was computed. [2020-10-28 17:07:19,916 INFO L270 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,916 INFO L274 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-10-28 17:07:19,916 INFO L274 CegarLoopResult]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2020-10-28 17:07:19,916 INFO L270 CegarLoopResult]: At program point L959(lines 912 961) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,916 INFO L270 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,916 INFO L274 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-10-28 17:07:19,916 INFO L274 CegarLoopResult]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2020-10-28 17:07:19,916 INFO L274 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-10-28 17:07:19,916 INFO L274 CegarLoopResult]: For program point testEXIT(lines 902 969) no Hoare annotation was computed. [2020-10-28 17:07:19,916 INFO L270 CegarLoopResult]: At program point L962(lines 911 963) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,916 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 589 590) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 596 597) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 565 610) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 565 610) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point L596(lines 596 597) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 565 610) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point L589(lines 589 590) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point L585(lines 585 592) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point L579(lines 579 599) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point L579-1(lines 579 599) no Hoare annotation was computed. [2020-10-28 17:07:19,917 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 769 776) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 128 136) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 128 136) the Hoare annotation is: true [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 128 136) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2020-10-28 17:07:19,918 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L512(lines 511 531) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 462 564) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L543-1(line 543) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L508(lines 508 549) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L550(lines 550 561) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 462 564) no Hoare annotation was computed. [2020-10-28 17:07:19,919 INFO L274 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point L511-2(lines 511 531) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point L532(lines 510 533) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 462 564) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point L491(lines 491 507) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point L551(lines 551 558) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 659 668) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 659 668) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 659 668) no Hoare annotation was computed. [2020-10-28 17:07:19,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L270 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~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point L785(lines 785 791) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 778 794) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 778 794) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-10-28 17:07:19,921 INFO L274 CegarLoopResult]: For program point L789-1(lines 778 794) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 119 127) the Hoare annotation is: true [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 87 95) no Hoare annotation was computed. [2020-10-28 17:07:19,922 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2020-10-28 17:07:19,923 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2020-10-28 17:07:19,923 INFO L270 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,923 INFO L270 CegarLoopResult]: At program point L723(lines 723 729) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,923 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 709 735) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:07:19,923 INFO L270 CegarLoopResult]: At program point L718(line 718) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:19,923 INFO L274 CegarLoopResult]: For program point L716(lines 712 734) no Hoare annotation was computed. [2020-10-28 17:07:19,923 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 709 735) no Hoare annotation was computed. [2020-10-28 17:07:19,923 INFO L274 CegarLoopResult]: For program point L714(lines 712 734) no Hoare annotation was computed. [2020-10-28 17:07:19,923 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 709 735) no Hoare annotation was computed. [2020-10-28 17:07:19,924 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2020-10-28 17:07:19,924 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2020-10-28 17:07:19,924 INFO L277 CegarLoopResult]: At program point L216(lines 191 220) the Hoare annotation is: true [2020-10-28 17:07:19,924 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-10-28 17:07:19,924 INFO L274 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-10-28 17:07:19,924 INFO L277 CegarLoopResult]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2020-10-28 17:07:19,924 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-28 17:07:19,924 INFO L277 CegarLoopResult]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2020-10-28 17:07:19,924 INFO L277 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: true [2020-10-28 17:07:19,924 INFO L274 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-10-28 17:07:19,925 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: true [2020-10-28 17:07:19,925 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2020-10-28 17:07:19,925 INFO L274 CegarLoopResult]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2020-10-28 17:07:19,925 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2020-10-28 17:07:19,925 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2020-10-28 17:07:19,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:19,925 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 17:07:19,925 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:07:19,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:19,925 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 893 900) no Hoare annotation was computed. [2020-10-28 17:07:19,925 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 893 900) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,926 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 893 900) no Hoare annotation was computed. [2020-10-28 17:07:19,926 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2020-10-28 17:07:19,926 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:19,926 INFO L274 CegarLoopResult]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2020-10-28 17:07:19,926 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 693 700) no Hoare annotation was computed. [2020-10-28 17:07:19,926 INFO L274 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-10-28 17:07:19,926 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 693 700) the Hoare annotation is: true [2020-10-28 17:07:19,926 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 693 700) no Hoare annotation was computed. [2020-10-28 17:07:19,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:07:19 BoogieIcfgContainer [2020-10-28 17:07:19,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:07:19,944 INFO L168 Benchmark]: Toolchain (without parser) took 42576.81 ms. Allocated memory was 163.6 MB in the beginning and 638.6 MB in the end (delta: 475.0 MB). Free memory was 137.9 MB in the beginning and 307.3 MB in the end (delta: -169.4 MB). Peak memory consumption was 379.7 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:19,945 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 163.6 MB. Free memory was 134.6 MB in the beginning and 134.5 MB in the end (delta: 107.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:07:19,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.70 ms. Allocated memory is still 163.6 MB. Free memory was 137.2 MB in the beginning and 115.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:19,946 INFO L168 Benchmark]: Boogie Preprocessor took 105.54 ms. Allocated memory is still 163.6 MB. Free memory was 115.7 MB in the beginning and 111.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:19,947 INFO L168 Benchmark]: RCFGBuilder took 1504.32 ms. Allocated memory is still 163.6 MB. Free memory was 111.6 MB in the beginning and 58.9 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:19,948 INFO L168 Benchmark]: TraceAbstraction took 40226.93 ms. Allocated memory was 163.6 MB in the beginning and 638.6 MB in the end (delta: 475.0 MB). Free memory was 58.4 MB in the beginning and 307.3 MB in the end (delta: -248.9 MB). Peak memory consumption was 299.5 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:19,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 163.6 MB. Free memory was 134.6 MB in the beginning and 134.5 MB in the end (delta: 107.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 724.70 ms. Allocated memory is still 163.6 MB. Free memory was 137.2 MB in the beginning and 115.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 105.54 ms. Allocated memory is still 163.6 MB. Free memory was 115.7 MB in the beginning and 111.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1504.32 ms. Allocated memory is still 163.6 MB. Free memory was 111.6 MB in the beginning and 58.9 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 40226.93 ms. Allocated memory was 163.6 MB in the beginning and 638.6 MB in the end (delta: 475.0 MB). Free memory was 58.4 MB in the beginning and 307.3 MB in the end (delta: -248.9 MB). Peak memory consumption was 299.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 596]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 589]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 635]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 642]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 253 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 446 SDtfs, 594 SDslu, 282 SDs, 0 SdLazy, 991 SolverSat, 405 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 108 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 276 PreInvPairs, 320 NumberOfFragments, 853 HoareAnnotationTreeSize, 276 FomulaSimplifications, 24456 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8792 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 80488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...