/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_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:45:39,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:45:39,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:45:39,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:45:39,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:45:39,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:45:39,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:45:39,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:45:39,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:45:39,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:45:39,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:45:39,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:45:39,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:45:39,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:45:39,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:45:39,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:45:39,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:45:39,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:45:39,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:45:39,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:45:39,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:45:39,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:45:40,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:45:40,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:45:40,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:45:40,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:45:40,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:45:40,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:45:40,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:45:40,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:45:40,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:45:40,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:45:40,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:45:40,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:45:40,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:45:40,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:45:40,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:45:40,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:45:40,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:45:40,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:45:40,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:45:40,070 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 16:45:40,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:45:40,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:45:40,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:45:40,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:45:40,141 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:45:40,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:45:40,142 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:45:40,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:45:40,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:45:40,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:45:40,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:45:40,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:45:40,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:45:40,145 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:45:40,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:45:40,145 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:45:40,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:45:40,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:45:40,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:45:40,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:45:40,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:45:40,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:45:40,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:45:40,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:45:40,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:45:40,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:45:40,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:45:40,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:45:40,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:45:40,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:45:40,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:45:40,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:45:40,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:45:40,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:45:40,630 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:45:40,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-10-28 16:45:40,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ed8a688d/922cc5481f9e46bfbfc9243188e8d97b/FLAGa35a81e3a [2020-10-28 16:45:41,347 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:45:41,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-10-28 16:45:41,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ed8a688d/922cc5481f9e46bfbfc9243188e8d97b/FLAGa35a81e3a [2020-10-28 16:45:41,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ed8a688d/922cc5481f9e46bfbfc9243188e8d97b [2020-10-28 16:45:41,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:45:41,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:45:41,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:45:41,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:45:41,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:45:41,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:45:41" (1/1) ... [2020-10-28 16:45:41,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a35d92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:41, skipping insertion in model container [2020-10-28 16:45:41,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:45:41" (1/1) ... [2020-10-28 16:45:41,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:45:41,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:45:42,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:45:42,204 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:45:42,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:45:42,400 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:45:42,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42 WrapperNode [2020-10-28 16:45:42,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:45:42,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:45:42,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:45:42,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:45:42,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (1/1) ... [2020-10-28 16:45:42,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (1/1) ... [2020-10-28 16:45:42,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (1/1) ... [2020-10-28 16:45:42,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (1/1) ... [2020-10-28 16:45:42,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (1/1) ... [2020-10-28 16:45:42,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (1/1) ... [2020-10-28 16:45:42,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (1/1) ... [2020-10-28 16:45:42,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:45:42,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:45:42,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:45:42,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:45:42,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (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 16:45:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:45:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:45:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:45:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:45:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:45:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:45:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:45:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:45:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:45:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:45:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:45:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:45:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:45:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:45:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:45:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:45:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:45:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:45:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:45:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:45:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:45:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:45:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:45:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:45:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:45:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:45:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:45:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:45:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:45:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:45:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:45:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:45:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:45:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:45:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:45:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:45:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:45:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:45:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:45:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:45:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:45:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:45:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:45:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:45:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:45:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:45:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:45:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:45:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:45:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:45:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:45:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:45:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:45:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:45:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:45:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:45:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:45:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:45:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:45:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:45:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:45:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:45:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:45:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:45:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:45:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:45:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:45:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:45:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:45:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:45:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:45:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:45:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:45:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:45:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:45:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:45:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:45:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:45:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:45:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:45:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:45:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:45:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:45:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:45:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:45:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:45:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:45:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:45:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:45:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:45:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:45:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:45:44,100 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:45:44,100 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:45:44,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:45:44 BoogieIcfgContainer [2020-10-28 16:45:44,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:45:44,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:45:44,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:45:44,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:45:44,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:45:41" (1/3) ... [2020-10-28 16:45:44,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6dc66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:45:44, skipping insertion in model container [2020-10-28 16:45:44,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:42" (2/3) ... [2020-10-28 16:45:44,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6dc66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:45:44, skipping insertion in model container [2020-10-28 16:45:44,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:45:44" (3/3) ... [2020-10-28 16:45:44,111 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-10-28 16:45:44,123 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:45:44,129 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:45:44,142 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:45:44,169 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:45:44,169 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:45:44,169 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:45:44,170 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:45:44,170 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:45:44,170 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:45:44,170 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:45:44,170 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:45:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-10-28 16:45:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:45:44,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:44,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:44,202 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 16:45:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:44,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1106208671, now seen corresponding path program 1 times [2020-10-28 16:45:44,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:44,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618447424] [2020-10-28 16:45:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:44,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:44,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:44,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:46,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:49,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:49,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:45:49,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 16:45:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:49,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:45:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:45:49,932 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:49,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:49,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:49,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:49,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:49,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 16:45:49,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:49,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:49,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:50,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:50,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:50,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:50,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:50,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:50,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:50,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:45:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:50,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:50,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:50,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:50,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:50,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:50,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:50,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:50,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:50,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:50,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:50,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:50,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:50,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:50,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:50,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:50,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:50,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:50,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:50,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:50,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:50,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:50,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:50,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:45:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:50,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:50,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:50,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:50,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:50,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:50,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:45:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:50,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:50,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:50,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:50,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:50,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:50,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:50,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:50,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:50,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:45:50,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618447424] [2020-10-28 16:45:50,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:50,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:45:50,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607501608] [2020-10-28 16:45:50,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:45:50,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:50,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:45:50,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:45:50,143 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-10-28 16:45:51,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:51,196 INFO L93 Difference]: Finished difference Result 251 states and 330 transitions. [2020-10-28 16:45:51,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:45:51,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:45:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:51,212 INFO L225 Difference]: With dead ends: 251 [2020-10-28 16:45:51,212 INFO L226 Difference]: Without dead ends: 139 [2020-10-28 16:45:51,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:45:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-28 16:45:51,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 110. [2020-10-28 16:45:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 16:45:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2020-10-28 16:45:51,378 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 52 [2020-10-28 16:45:51,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:51,378 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2020-10-28 16:45:51,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:45:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2020-10-28 16:45:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:45:51,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:51,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:51,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:45:51,386 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 16:45:51,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:51,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1822838283, now seen corresponding path program 1 times [2020-10-28 16:45:51,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:51,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426502504] [2020-10-28 16:45:51,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:51,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:51,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:51,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:52,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:52,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:56,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:56,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:45:56,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:56,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:45:56,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:56,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 16:45:56,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:56,918 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:56,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:56,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:57,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-28 16:45:57,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:45:57,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:57,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:57,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:57,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:57,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:57,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:57,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:57,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:57,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:57,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:57,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:57,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:57,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:57,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:57,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:57,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:57,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:57,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:57,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:57,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:57,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:57,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:57,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:57,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:57,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:57,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:57,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:57,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:45:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:57,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:57,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:57,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:57,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:45:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:57,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:57,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:57,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:57,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:57,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:57,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:57,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:57,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:45:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:45:57,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426502504] [2020-10-28 16:45:57,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:57,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:45:57,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967661028] [2020-10-28 16:45:57,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:45:57,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:57,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:45:57,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:45:57,171 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 5 states. [2020-10-28 16:45:57,621 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:45:58,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:58,637 INFO L93 Difference]: Finished difference Result 221 states and 280 transitions. [2020-10-28 16:45:58,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 16:45:58,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:45:58,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:58,646 INFO L225 Difference]: With dead ends: 221 [2020-10-28 16:45:58,646 INFO L226 Difference]: Without dead ends: 139 [2020-10-28 16:45:58,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:45:58,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-28 16:45:58,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 110. [2020-10-28 16:45:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 16:45:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-10-28 16:45:58,699 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 53 [2020-10-28 16:45:58,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:58,699 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-10-28 16:45:58,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:45:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-10-28 16:45:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 16:45:58,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:58,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:58,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:45:58,703 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 16:45:58,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:58,704 INFO L82 PathProgramCache]: Analyzing trace with hash 331782921, now seen corresponding path program 1 times [2020-10-28 16:45:58,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:58,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324714849] [2020-10-28 16:45:58,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:58,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:58,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:59,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:59,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 16:46:03,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:03,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-28 16:46:03,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:46:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 16:46:03,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,166 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:04,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:04,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:46:04,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:04,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:04,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:04,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:04,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:04,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:04,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:04,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:04,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:04,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:04,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:04,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:04,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:04,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:04,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:46:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:46:04,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:04,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:04,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:46:04,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:04,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:04,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:46:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:04,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:04,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:04,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 16:46:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:04,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:04,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:04,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:04,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:04,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:04,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:04,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:04,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324714849] [2020-10-28 16:46:04,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:04,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:04,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351416061] [2020-10-28 16:46:04,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:04,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:04,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:04,328 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 6 states. [2020-10-28 16:46:04,849 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:07,724 INFO L93 Difference]: Finished difference Result 319 states and 470 transitions. [2020-10-28 16:46:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:46:07,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-10-28 16:46:07,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:07,736 INFO L225 Difference]: With dead ends: 319 [2020-10-28 16:46:07,741 INFO L226 Difference]: Without dead ends: 315 [2020-10-28 16:46:07,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:46:07,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-28 16:46:07,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 192. [2020-10-28 16:46:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-28 16:46:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 232 transitions. [2020-10-28 16:46:07,896 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 232 transitions. Word has length 65 [2020-10-28 16:46:07,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:07,900 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 232 transitions. [2020-10-28 16:46:07,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:46:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 232 transitions. [2020-10-28 16:46:07,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 16:46:07,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:07,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:07,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:46:07,916 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 16:46:07,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:07,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1708147058, now seen corresponding path program 1 times [2020-10-28 16:46:07,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:07,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273992561] [2020-10-28 16:46:07,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:07,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:08,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:08,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:08,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:08,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:09,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 16:46:12,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 16:46:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 16:46:12,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:46:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 16:46:12,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,375 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:13,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 16:46:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:13,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:13,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:13,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:13,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:13,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:13,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:13,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:46:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 16:46:13,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:46:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 16:46:13,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 16:46:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:46:13,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:13,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:13,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:13,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:46:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:46:13,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:13,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:46:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:13,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:13,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:46:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:13,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:13,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 16:46:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:46:13,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:13,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:46:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:13,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 16:46:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:13,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:13,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 16:46:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:13,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:13,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:13,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:13,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:13,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:13,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 16:46:13,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273992561] [2020-10-28 16:46:13,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:13,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:46:13,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531436651] [2020-10-28 16:46:13,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:46:13,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:13,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:46:13,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:46:13,651 INFO L87 Difference]: Start difference. First operand 192 states and 232 transitions. Second operand 7 states. [2020-10-28 16:46:14,407 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:15,462 INFO L93 Difference]: Finished difference Result 375 states and 492 transitions. [2020-10-28 16:46:15,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:46:15,464 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2020-10-28 16:46:15,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:15,468 INFO L225 Difference]: With dead ends: 375 [2020-10-28 16:46:15,468 INFO L226 Difference]: Without dead ends: 247 [2020-10-28 16:46:15,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:46:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-28 16:46:15,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 174. [2020-10-28 16:46:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-28 16:46:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 204 transitions. [2020-10-28 16:46:15,530 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 204 transitions. Word has length 99 [2020-10-28 16:46:15,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:15,531 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 204 transitions. [2020-10-28 16:46:15,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:46:15,531 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 204 transitions. [2020-10-28 16:46:15,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-28 16:46:15,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:15,532 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:15,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:46:15,533 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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 16:46:15,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:15,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1279904009, now seen corresponding path program 1 times [2020-10-28 16:46:15,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:15,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147252434] [2020-10-28 16:46:15,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:15,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:15,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:15,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:15,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:18,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:20,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:20,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 16:46:20,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:46:20,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 16:46:20,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:20,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:20,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:20,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 16:46:20,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:46:20,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:20,935 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:20,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:20,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:20,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:20,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:46:20,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:20,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:20,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:20,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:20,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:20,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:20,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:20,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:20,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:20,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:20,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:20,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:20,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:20,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:20,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:20,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:20,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:20,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:20,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:20,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:20,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:20,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:20,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:20,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:20,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:20,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:20,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:20,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:20,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:21,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:21,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:21,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:21,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:21,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:46:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 16:46:21,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:46:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:46:21,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 16:46:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:46:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:46:21,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:46:21,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:46:21,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:46:21,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:21,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:21,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:21,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:21,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:21,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:46:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:46:21,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:46:21,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:46:21,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 16:46:21,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 16:46:21,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:46:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:21,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:21,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:46:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:21,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:21,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:46:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 16:46:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:46:21,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:21,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:46:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:21,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:21,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:21,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:21,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:46:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:21,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:21,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:46:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:21,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:21,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:21,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:21,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 16:46:21,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147252434] [2020-10-28 16:46:21,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:46:21,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:46:21,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762784491] [2020-10-28 16:46:21,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:46:21,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:21,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:46:21,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:46:21,355 INFO L87 Difference]: Start difference. First operand 174 states and 204 transitions. Second operand 11 states. [2020-10-28 16:46:21,951 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:23,214 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:46:23,660 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:46:24,456 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-28 16:46:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:24,718 INFO L93 Difference]: Finished difference Result 247 states and 313 transitions. [2020-10-28 16:46:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:46:24,719 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-10-28 16:46:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:24,722 INFO L225 Difference]: With dead ends: 247 [2020-10-28 16:46:24,722 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:46:24,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-28 16:46:24,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:46:24,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:46:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:46:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:46:24,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2020-10-28 16:46:24,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:24,728 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:46:24,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:46:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:46:24,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:46:24,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:46:24,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:46:25,092 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-10-28 16:46:25,483 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2020-10-28 16:46:25,594 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2020-10-28 16:46:25,955 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 220 [2020-10-28 16:46:26,130 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 223 [2020-10-28 16:46:26,642 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2020-10-28 16:46:27,154 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2020-10-28 16:46:27,450 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:27,798 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-10-28 16:46:27,923 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 23 [2020-10-28 16:46:28,218 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-10-28 16:46:28,586 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:28,899 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:29,211 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-10-28 16:46:29,519 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-10-28 16:46:29,848 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2020-10-28 16:46:30,162 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 23 [2020-10-28 16:46:30,464 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2020-10-28 16:46:30,586 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 23 [2020-10-28 16:46:30,866 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2020-10-28 16:46:31,156 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:31,445 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:31,745 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:32,025 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-10-28 16:46:32,329 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:32,639 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-10-28 16:46:32,956 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:33,265 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:33,547 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 23 [2020-10-28 16:46:33,854 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-28 16:46:34,162 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-10-28 16:46:34,167 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:46:34,168 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:46:34,168 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:46:34,168 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:46:34,169 INFO L274 CegarLoopResult]: For program point L508(lines 485 509) no Hoare annotation was computed. [2020-10-28 16:46:34,169 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 461 516) no Hoare annotation was computed. [2020-10-28 16:46:34,169 INFO L274 CegarLoopResult]: For program point L492(lines 492 496) no Hoare annotation was computed. [2020-10-28 16:46:34,169 INFO L274 CegarLoopResult]: For program point L492-1(lines 492 496) no Hoare annotation was computed. [2020-10-28 16:46:34,169 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 461 516) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point L486-2(lines 486 507) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 461 516) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point L543-2(lines 543 568) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point L569(lines 542 570) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 517 576) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-10-28 16:46:34,170 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 517 576) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 517 576) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point L549(lines 549 553) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point L549-1(lines 549 553) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 383 389) the Hoare annotation is: true [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 383 389) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 390 398) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 390 398) the Hoare annotation is: true [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 390 398) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point L897(lines 897 904) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point L897-1(lines 897 904) no Hoare annotation was computed. [2020-10-28 16:46:34,171 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-28 16:46:34,172 INFO L270 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,172 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 887 909) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,172 INFO L270 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,172 INFO L270 CegarLoopResult]: At program point L893-1(line 893) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,172 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 887 909) no Hoare annotation was computed. [2020-10-28 16:46:34,173 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 887 909) no Hoare annotation was computed. [2020-10-28 16:46:34,173 INFO L270 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,173 INFO L270 CegarLoopResult]: At program point L899-1(line 899) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,173 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 845 868) no Hoare annotation was computed. [2020-10-28 16:46:34,173 INFO L274 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-10-28 16:46:34,173 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-10-28 16:46:34,173 INFO L274 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-10-28 16:46:34,173 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 845 868) no Hoare annotation was computed. [2020-10-28 16:46:34,173 INFO L274 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 845 868) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-28 16:46:34,174 INFO L274 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 297 305) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 297 305) the Hoare annotation is: true [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 297 305) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L277 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: true [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point L349-1(line 349) no Hoare annotation was computed. [2020-10-28 16:46:34,175 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 342 360) the Hoare annotation is: true [2020-10-28 16:46:34,175 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 342 360) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 342 360) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point L313(lines 313 321) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 321) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point L336-1(line 336) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 306 341) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 306 341) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point L325(lines 325 333) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 333) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 306 341) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 376 382) no Hoare annotation was computed. [2020-10-28 16:46:34,176 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 376 382) the Hoare annotation is: true [2020-10-28 16:46:34,176 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 415 460) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 415 460) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 415 460) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 728 773) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point L759(lines 759 760) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point L752(lines 752 753) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 752 753) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 759 760) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point L748(lines 748 755) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 728 773) no Hoare annotation was computed. [2020-10-28 16:46:34,177 INFO L274 CegarLoopResult]: For program point L742(lines 742 762) no Hoare annotation was computed. [2020-10-28 16:46:34,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 728 773) no Hoare annotation was computed. [2020-10-28 16:46:34,178 INFO L274 CegarLoopResult]: For program point L742-1(lines 742 762) no Hoare annotation was computed. [2020-10-28 16:46:34,178 INFO L270 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,178 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 876 886) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,178 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 876 886) no Hoare annotation was computed. [2020-10-28 16:46:34,178 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 876 886) no Hoare annotation was computed. [2020-10-28 16:46:34,178 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 286 296) no Hoare annotation was computed. [2020-10-28 16:46:34,178 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 286 296) no Hoare annotation was computed. [2020-10-28 16:46:34,178 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 286 296) no Hoare annotation was computed. [2020-10-28 16:46:34,179 INFO L274 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-28 16:46:34,179 INFO L274 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-28 16:46:34,179 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 278 285) the Hoare annotation is: true [2020-10-28 16:46:34,179 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2020-10-28 16:46:34,179 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2020-10-28 16:46:34,179 INFO L270 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0))) [2020-10-28 16:46:34,179 INFO L274 CegarLoopResult]: For program point L253(lines 253 261) no Hoare annotation was computed. [2020-10-28 16:46:34,179 INFO L270 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0))) [2020-10-28 16:46:34,179 INFO L274 CegarLoopResult]: For program point L251-1(line 251) no Hoare annotation was computed. [2020-10-28 16:46:34,179 INFO L274 CegarLoopResult]: For program point L249(lines 249 266) no Hoare annotation was computed. [2020-10-28 16:46:34,180 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 245 269) no Hoare annotation was computed. [2020-10-28 16:46:34,180 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 245 269) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:46:34,180 INFO L270 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:46:34,180 INFO L274 CegarLoopResult]: For program point L264-1(lines 245 269) no Hoare annotation was computed. [2020-10-28 16:46:34,180 INFO L270 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0))) [2020-10-28 16:46:34,180 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 237 243) no Hoare annotation was computed. [2020-10-28 16:46:34,180 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 237 243) the Hoare annotation is: true [2020-10-28 16:46:34,181 INFO L270 CegarLoopResult]: At program point testENTRY(lines 140 203) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,181 INFO L274 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-10-28 16:46:34,181 INFO L270 CegarLoopResult]: At program point L186-2(lines 180 191) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,181 INFO L274 CegarLoopResult]: For program point L151(lines 150 195) no Hoare annotation was computed. [2020-10-28 16:46:34,181 INFO L274 CegarLoopResult]: For program point testFINAL(lines 140 203) no Hoare annotation was computed. [2020-10-28 16:46:34,181 INFO L274 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-10-28 16:46:34,181 INFO L270 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,181 INFO L274 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-10-28 16:46:34,181 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2020-10-28 16:46:34,182 INFO L270 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,182 INFO L270 CegarLoopResult]: At program point L193(lines 150 195) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,182 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-10-28 16:46:34,182 INFO L274 CegarLoopResult]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2020-10-28 16:46:34,182 INFO L274 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-10-28 16:46:34,182 INFO L270 CegarLoopResult]: At program point L196(lines 149 197) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,182 INFO L274 CegarLoopResult]: For program point testEXIT(lines 140 203) no Hoare annotation was computed. [2020-10-28 16:46:34,182 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 706 707) no Hoare annotation was computed. [2020-10-28 16:46:34,182 INFO L274 CegarLoopResult]: For program point L702(lines 702 709) no Hoare annotation was computed. [2020-10-28 16:46:34,182 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 713 714) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 682 727) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point L696(lines 696 716) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point L696-1(lines 696 716) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 682 727) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 682 727) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point L713(lines 713 714) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point L706(lines 706 707) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 128 136) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 128 136) the Hoare annotation is: true [2020-10-28 16:46:34,183 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 128 136) no Hoare annotation was computed. [2020-10-28 16:46:34,183 INFO L270 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point L796(lines 796 806) no Hoare annotation was computed. [2020-10-28 16:46:34,184 INFO L270 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point L792-1(lines 784 812) no Hoare annotation was computed. [2020-10-28 16:46:34,184 INFO L270 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-10-28 16:46:34,184 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 784 812) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 784 812) no Hoare annotation was computed. [2020-10-28 16:46:34,184 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 776 783) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 776 783) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 776 783) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 366 375) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 366 375) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 366 375) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 579 681) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-10-28 16:46:34,185 INFO L274 CegarLoopResult]: For program point L667(lines 667 678) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L628-2(lines 628 648) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L649(lines 627 650) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 579 681) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L608(lines 608 624) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L629(lines 628 648) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-10-28 16:46:34,186 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 579 681) no Hoare annotation was computed. [2020-10-28 16:46:34,187 INFO L274 CegarLoopResult]: For program point L625(lines 625 666) no Hoare annotation was computed. [2020-10-28 16:46:34,187 INFO L274 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-10-28 16:46:34,187 INFO L274 CegarLoopResult]: For program point L644-1(line 644) no Hoare annotation was computed. [2020-10-28 16:46:34,187 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:34,187 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:46:34,187 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 270 277) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 270 277) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 270 277) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 119 127) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2020-10-28 16:46:34,188 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:34,189 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:46:34,189 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:34,189 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 87 95) the Hoare annotation is: true [2020-10-28 16:46:34,189 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2020-10-28 16:46:34,189 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2020-10-28 16:46:34,189 INFO L270 CegarLoopResult]: At program point L224(lines 224 230) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,189 INFO L270 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,189 INFO L274 CegarLoopResult]: For program point L217(lines 216 235) no Hoare annotation was computed. [2020-10-28 16:46:34,189 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 213 236) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,189 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 213 236) no Hoare annotation was computed. [2020-10-28 16:46:34,190 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 213 236) no Hoare annotation was computed. [2020-10-28 16:46:34,190 INFO L270 CegarLoopResult]: At program point L226(line 226) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:34,190 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 815 844) no Hoare annotation was computed. [2020-10-28 16:46:34,190 INFO L274 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-10-28 16:46:34,190 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 815 844) the Hoare annotation is: true [2020-10-28 16:46:34,190 INFO L277 CegarLoopResult]: At program point L829-1(lines 829 833) the Hoare annotation is: true [2020-10-28 16:46:34,190 INFO L274 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-10-28 16:46:34,190 INFO L277 CegarLoopResult]: At program point L825-2(lines 825 839) the Hoare annotation is: true [2020-10-28 16:46:34,190 INFO L277 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-10-28 16:46:34,190 INFO L274 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-10-28 16:46:34,191 INFO L277 CegarLoopResult]: At program point L840(lines 815 844) the Hoare annotation is: true [2020-10-28 16:46:34,191 INFO L274 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-10-28 16:46:34,191 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: true [2020-10-28 16:46:34,191 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2020-10-28 16:46:34,191 INFO L274 CegarLoopResult]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2020-10-28 16:46:34,191 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 869 875) no Hoare annotation was computed. [2020-10-28 16:46:34,191 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 869 875) the Hoare annotation is: true [2020-10-28 16:46:34,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:34,191 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:46:34,191 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:46:34,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:34,192 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2020-10-28 16:46:34,192 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:34,192 INFO L274 CegarLoopResult]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2020-10-28 16:46:34,192 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 400 407) no Hoare annotation was computed. [2020-10-28 16:46:34,192 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 400 407) the Hoare annotation is: true [2020-10-28 16:46:34,192 INFO L274 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-28 16:46:34,192 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 400 407) no Hoare annotation was computed. [2020-10-28 16:46:34,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:46:34 BoogieIcfgContainer [2020-10-28 16:46:34,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:46:34,212 INFO L168 Benchmark]: Toolchain (without parser) took 52521.01 ms. Allocated memory was 151.0 MB in the beginning and 679.5 MB in the end (delta: 528.5 MB). Free memory was 105.7 MB in the beginning and 642.3 MB in the end (delta: -536.6 MB). Peak memory consumption was 384.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:34,213 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:46:34,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.73 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 126.7 MB in the end (delta: -21.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:34,214 INFO L168 Benchmark]: Boogie Preprocessor took 107.16 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 122.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:34,215 INFO L168 Benchmark]: RCFGBuilder took 1591.12 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 92.3 MB in the end (delta: 30.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:34,216 INFO L168 Benchmark]: TraceAbstraction took 50105.48 ms. Allocated memory was 151.0 MB in the beginning and 679.5 MB in the end (delta: 528.5 MB). Free memory was 92.3 MB in the beginning and 642.3 MB in the end (delta: -550.1 MB). Peak memory consumption was 370.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:34,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 702.73 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 126.7 MB in the end (delta: -21.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 107.16 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 122.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1591.12 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 92.3 MB in the end (delta: 30.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50105.48 ms. Allocated memory was 151.0 MB in the beginning and 679.5 MB in the end (delta: 528.5 MB). Free memory was 92.3 MB in the beginning and 642.3 MB in the end (delta: -550.1 MB). Peak memory consumption was 370.1 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: 713]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 706]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 752]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: 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: 150]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) <= 0) || (((splverifierCounter <= 0 && 0 <= pumpRunning) && methAndRunningLastTime == 0) && pumpRunning <= 0)) || !(0 <= \old(pumpRunning))) || !(1 == systemActive)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((!(systemActive == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 461 SDtfs, 992 SDslu, 286 SDs, 0 SdLazy, 1253 SolverSat, 709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred 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: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 254 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 249 PreInvPairs, 271 NumberOfFragments, 971 HoareAnnotationTreeSize, 249 FomulaSimplifications, 98730 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 7778 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 28.3s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 124043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 56/61 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...