/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:35,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:35,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:35,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:35,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:35,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:35,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:35,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:35,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:35,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:35,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:35,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:35,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:35,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:35,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:35,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:35,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:35,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:35,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:35,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:35,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:35,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:35,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:35,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:35,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:35,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:35,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:35,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:35,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:35,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:35,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:35,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:35,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:35,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:35,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:35,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:35,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:35,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:35,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:35,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:35,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:35,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:26:35,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:35,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:35,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:35,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:35,929 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:35,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:35,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:35,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:35,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:35,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:35,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:35,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:35,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:35,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:35,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:35,931 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:35,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:35,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:35,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:35,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:35,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:35,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:35,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:35,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:35,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:35,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:35,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:35,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:35,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:35,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:26:36,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:36,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:36,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:36,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:36,262 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:36,262 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-20 16:26:36,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be8673fb/d87ae3760e674c52be6457b06f274bec/FLAG149a77189 [2020-07-20 16:26:36,795 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:36,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-20 16:26:36,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be8673fb/d87ae3760e674c52be6457b06f274bec/FLAG149a77189 [2020-07-20 16:26:37,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be8673fb/d87ae3760e674c52be6457b06f274bec [2020-07-20 16:26:37,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:37,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:37,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:37,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:37,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:37,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:37,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aede21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37, skipping insertion in model container [2020-07-20 16:26:37,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:37,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:37,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:37,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:37,768 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:37,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:37,956 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:37,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37 WrapperNode [2020-07-20 16:26:37,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:37,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:37,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:37,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:37,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:37,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:37,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:37,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:38,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:38,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:38,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... [2020-07-20 16:26:38,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:38,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:38,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:38,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:38,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 16:26:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:26:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:26:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:26:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:26:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:26:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:26:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:39,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:39,414 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:39,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:39 BoogieIcfgContainer [2020-07-20 16:26:39,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:39,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:39,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:39,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:39,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:37" (1/3) ... [2020-07-20 16:26:39,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb56bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:39, skipping insertion in model container [2020-07-20 16:26:39,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37" (2/3) ... [2020-07-20 16:26:39,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb56bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:39, skipping insertion in model container [2020-07-20 16:26:39,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:39" (3/3) ... [2020-07-20 16:26:39,433 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-07-20 16:26:39,446 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:39,457 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:39,473 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:39,508 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:39,508 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:39,509 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:39,509 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:39,510 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:39,510 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:39,510 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:39,511 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-20 16:26:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:39,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:39,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:39,557 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:39,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:39,564 INFO L82 PathProgramCache]: Analyzing trace with hash 479094946, now seen corresponding path program 1 times [2020-07-20 16:26:39,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:39,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421663746] [2020-07-20 16:26:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:40,086 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:40,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:40,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:40,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:40,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:40,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421663746] [2020-07-20 16:26:40,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:40,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:40,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074524106] [2020-07-20 16:26:40,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:40,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:40,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:40,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:40,166 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-20 16:26:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:40,213 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2020-07-20 16:26:40,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:40,214 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:40,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:40,229 INFO L225 Difference]: With dead ends: 302 [2020-07-20 16:26:40,229 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 16:26:40,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:40,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 16:26:40,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 16:26:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 16:26:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2020-07-20 16:26:40,308 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2020-07-20 16:26:40,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:40,309 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2020-07-20 16:26:40,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-07-20 16:26:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:40,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:40,320 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:40,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:40,534 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:40,535 INFO L82 PathProgramCache]: Analyzing trace with hash -259634487, now seen corresponding path program 1 times [2020-07-20 16:26:40,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:40,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490450341] [2020-07-20 16:26:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:40,973 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:40,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:40,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:40,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:41,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:41,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490450341] [2020-07-20 16:26:41,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:41,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:41,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833875198] [2020-07-20 16:26:41,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:41,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:41,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:41,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:41,033 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 3 states. [2020-07-20 16:26:41,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:41,058 INFO L93 Difference]: Finished difference Result 251 states and 291 transitions. [2020-07-20 16:26:41,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:41,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:41,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:41,061 INFO L225 Difference]: With dead ends: 251 [2020-07-20 16:26:41,061 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 16:26:41,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:41,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 16:26:41,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 16:26:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 16:26:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2020-07-20 16:26:41,078 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 60 [2020-07-20 16:26:41,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:41,079 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2020-07-20 16:26:41,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2020-07-20 16:26:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 16:26:41,081 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:41,082 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:41,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:41,298 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:41,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:41,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1126861649, now seen corresponding path program 1 times [2020-07-20 16:26:41,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:41,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542477549] [2020-07-20 16:26:41,301 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:41,801 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:41,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:41,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:41,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:41,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:41,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542477549] [2020-07-20 16:26:41,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:41,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:41,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745586010] [2020-07-20 16:26:41,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:41,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:41,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:41,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:41,835 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 3 states. [2020-07-20 16:26:41,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:41,857 INFO L93 Difference]: Finished difference Result 260 states and 305 transitions. [2020-07-20 16:26:41,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:41,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 16:26:41,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:41,859 INFO L225 Difference]: With dead ends: 260 [2020-07-20 16:26:41,860 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 16:26:41,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:41,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 16:26:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 16:26:41,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 16:26:41,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2020-07-20 16:26:41,875 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 64 [2020-07-20 16:26:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:41,878 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2020-07-20 16:26:41,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2020-07-20 16:26:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-20 16:26:41,881 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:41,881 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:42,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:42,095 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:42,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:42,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1745445590, now seen corresponding path program 1 times [2020-07-20 16:26:42,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:42,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965724146] [2020-07-20 16:26:42,098 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:42,530 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:42,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:42,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:26:42,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:42,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:42,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965724146] [2020-07-20 16:26:42,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:42,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:42,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370536778] [2020-07-20 16:26:42,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:42,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:42,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:42,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:42,601 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand 6 states. [2020-07-20 16:26:43,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:43,425 INFO L93 Difference]: Finished difference Result 344 states and 413 transitions. [2020-07-20 16:26:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:43,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2020-07-20 16:26:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:43,432 INFO L225 Difference]: With dead ends: 344 [2020-07-20 16:26:43,432 INFO L226 Difference]: Without dead ends: 228 [2020-07-20 16:26:43,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:43,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-20 16:26:43,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 213. [2020-07-20 16:26:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-07-20 16:26:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 241 transitions. [2020-07-20 16:26:43,489 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 241 transitions. Word has length 77 [2020-07-20 16:26:43,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:43,489 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 241 transitions. [2020-07-20 16:26:43,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 241 transitions. [2020-07-20 16:26:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 16:26:43,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:43,497 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:43,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:43,699 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:43,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1775922839, now seen corresponding path program 1 times [2020-07-20 16:26:43,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:43,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353789034] [2020-07-20 16:26:43,701 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:44,074 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:44,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:44,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:44,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:44,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:44,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353789034] [2020-07-20 16:26:44,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:44,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:44,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491020723] [2020-07-20 16:26:44,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:44,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:44,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:44,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:44,122 INFO L87 Difference]: Start difference. First operand 213 states and 241 transitions. Second operand 6 states. [2020-07-20 16:26:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:44,386 INFO L93 Difference]: Finished difference Result 401 states and 462 transitions. [2020-07-20 16:26:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:44,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-20 16:26:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:44,393 INFO L225 Difference]: With dead ends: 401 [2020-07-20 16:26:44,394 INFO L226 Difference]: Without dead ends: 216 [2020-07-20 16:26:44,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:26:44,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-07-20 16:26:44,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 212. [2020-07-20 16:26:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-07-20 16:26:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 238 transitions. [2020-07-20 16:26:44,431 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 238 transitions. Word has length 91 [2020-07-20 16:26:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:44,431 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 238 transitions. [2020-07-20 16:26:44,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 238 transitions. [2020-07-20 16:26:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:44,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:44,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:44,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:44,648 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:44,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:44,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1230791863, now seen corresponding path program 1 times [2020-07-20 16:26:44,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:44,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243797417] [2020-07-20 16:26:44,651 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:44,991 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:44,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:44,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:45,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:45,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:45,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243797417] [2020-07-20 16:26:45,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:45,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:45,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363444558] [2020-07-20 16:26:45,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:45,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:45,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:45,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:45,033 INFO L87 Difference]: Start difference. First operand 212 states and 238 transitions. Second operand 6 states. [2020-07-20 16:26:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:45,070 INFO L93 Difference]: Finished difference Result 403 states and 462 transitions. [2020-07-20 16:26:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:45,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-20 16:26:45,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:45,073 INFO L225 Difference]: With dead ends: 403 [2020-07-20 16:26:45,074 INFO L226 Difference]: Without dead ends: 219 [2020-07-20 16:26:45,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:45,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-07-20 16:26:45,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 217. [2020-07-20 16:26:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-20 16:26:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 243 transitions. [2020-07-20 16:26:45,090 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 243 transitions. Word has length 107 [2020-07-20 16:26:45,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:45,091 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 243 transitions. [2020-07-20 16:26:45,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 243 transitions. [2020-07-20 16:26:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:45,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:45,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:45,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:45,307 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:45,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:45,308 INFO L82 PathProgramCache]: Analyzing trace with hash 697480839, now seen corresponding path program 1 times [2020-07-20 16:26:45,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:45,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083752358] [2020-07-20 16:26:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:45,454 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:45,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:45,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:45,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:45,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:45,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083752358] [2020-07-20 16:26:45,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:45,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:45,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953948176] [2020-07-20 16:26:45,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:45,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:45,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:45,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:45,510 INFO L87 Difference]: Start difference. First operand 217 states and 243 transitions. Second operand 5 states. [2020-07-20 16:26:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:45,537 INFO L93 Difference]: Finished difference Result 413 states and 473 transitions. [2020-07-20 16:26:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:45,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-20 16:26:45,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:45,541 INFO L225 Difference]: With dead ends: 413 [2020-07-20 16:26:45,542 INFO L226 Difference]: Without dead ends: 224 [2020-07-20 16:26:45,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-20 16:26:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2020-07-20 16:26:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-20 16:26:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 247 transitions. [2020-07-20 16:26:45,581 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 247 transitions. Word has length 107 [2020-07-20 16:26:45,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:45,582 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 247 transitions. [2020-07-20 16:26:45,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 247 transitions. [2020-07-20 16:26:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:45,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:45,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:45,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:45,792 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:45,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:45,793 INFO L82 PathProgramCache]: Analyzing trace with hash 456940710, now seen corresponding path program 1 times [2020-07-20 16:26:45,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:45,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067887689] [2020-07-20 16:26:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:46,146 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:46,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:46,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:46,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:46,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:46,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067887689] [2020-07-20 16:26:46,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:46,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:46,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124675846] [2020-07-20 16:26:46,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:46,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:46,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:46,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:46,186 INFO L87 Difference]: Start difference. First operand 221 states and 247 transitions. Second operand 3 states. [2020-07-20 16:26:46,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:46,219 INFO L93 Difference]: Finished difference Result 562 states and 657 transitions. [2020-07-20 16:26:46,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:46,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-07-20 16:26:46,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:46,223 INFO L225 Difference]: With dead ends: 562 [2020-07-20 16:26:46,223 INFO L226 Difference]: Without dead ends: 369 [2020-07-20 16:26:46,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:46,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-07-20 16:26:46,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 366. [2020-07-20 16:26:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-07-20 16:26:46,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 422 transitions. [2020-07-20 16:26:46,246 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 422 transitions. Word has length 107 [2020-07-20 16:26:46,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:46,247 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 422 transitions. [2020-07-20 16:26:46,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 422 transitions. [2020-07-20 16:26:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 16:26:46,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:46,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:46,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:46,465 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:46,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:46,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1562894580, now seen corresponding path program 1 times [2020-07-20 16:26:46,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:46,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353467032] [2020-07-20 16:26:46,468 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:46,818 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:46,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:46,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:46,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:46,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:46,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353467032] [2020-07-20 16:26:46,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:46,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:46,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936155452] [2020-07-20 16:26:46,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:46,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:46,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:46,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:46,936 INFO L87 Difference]: Start difference. First operand 366 states and 422 transitions. Second operand 10 states. [2020-07-20 16:26:48,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:48,207 INFO L93 Difference]: Finished difference Result 984 states and 1283 transitions. [2020-07-20 16:26:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 16:26:48,207 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-07-20 16:26:48,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:48,221 INFO L225 Difference]: With dead ends: 984 [2020-07-20 16:26:48,222 INFO L226 Difference]: Without dead ends: 646 [2020-07-20 16:26:48,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 16:26:48,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-07-20 16:26:48,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 484. [2020-07-20 16:26:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-07-20 16:26:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 569 transitions. [2020-07-20 16:26:48,285 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 569 transitions. Word has length 111 [2020-07-20 16:26:48,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:48,287 INFO L479 AbstractCegarLoop]: Abstraction has 484 states and 569 transitions. [2020-07-20 16:26:48,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 569 transitions. [2020-07-20 16:26:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 16:26:48,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:48,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:48,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:48,505 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:48,505 INFO L82 PathProgramCache]: Analyzing trace with hash 903450751, now seen corresponding path program 1 times [2020-07-20 16:26:48,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:48,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31412266] [2020-07-20 16:26:48,506 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:48,876 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:48,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:48,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:48,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:48,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 16:26:49,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31412266] [2020-07-20 16:26:49,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:49,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:49,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092934108] [2020-07-20 16:26:49,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:49,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:49,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:49,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:49,408 INFO L87 Difference]: Start difference. First operand 484 states and 569 transitions. Second operand 10 states. [2020-07-20 16:26:50,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:50,320 INFO L93 Difference]: Finished difference Result 578 states and 695 transitions. [2020-07-20 16:26:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:50,322 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-07-20 16:26:50,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:50,323 INFO L225 Difference]: With dead ends: 578 [2020-07-20 16:26:50,323 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:50,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:50,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:50,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:50,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-20 16:26:50,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:50,327 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:50,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:50,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:50,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:50,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:51,690 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-20 16:26:52,037 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-20 16:26:52,214 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-20 16:26:52,346 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2020-07-20 16:26:52,743 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-20 16:26:53,117 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-20 16:26:53,333 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-20 16:26:53,437 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-07-20 16:26:54,040 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-07-20 16:26:54,473 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 16:26:54,631 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-20 16:26:54,912 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-07-20 16:26:54,913 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 16:26:54,914 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-20 16:26:54,915 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 16:26:54,915 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 16:26:54,915 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 16:26:54,915 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 16:26:54,915 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 16:26:54,915 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) the Hoare annotation is: true [2020-07-20 16:26:54,915 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2020-07-20 16:26:54,915 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2020-07-20 16:26:54,916 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:26:54,916 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2020-07-20 16:26:54,916 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-20 16:26:54,916 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2020-07-20 16:26:54,916 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 16:26:54,916 INFO L268 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-07-20 16:26:54,916 INFO L268 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-07-20 16:26:54,917 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:54,917 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-20 16:26:54,917 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-20 16:26:54,917 INFO L268 CegarLoopResult]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2020-07-20 16:26:54,917 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-20 16:26:54,917 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-20 16:26:54,917 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2020-07-20 16:26:54,918 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2020-07-20 16:26:54,918 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,918 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2020-07-20 16:26:54,918 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,918 INFO L264 CegarLoopResult]: At program point L178-1(line 178) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,918 INFO L268 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-07-20 16:26:54,918 INFO L268 CegarLoopResult]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2020-07-20 16:26:54,919 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-20 16:26:54,919 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,919 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2020-07-20 16:26:54,919 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,919 INFO L264 CegarLoopResult]: At program point L172-1(line 172) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,919 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-20 16:26:54,920 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 16:26:54,920 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-07-20 16:26:54,920 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 16:26:54,920 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-07-20 16:26:54,920 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-07-20 16:26:54,920 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-20 16:26:54,920 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-20 16:26:54,921 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 16:26:54,922 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2020-07-20 16:26:54,922 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2020-07-20 16:26:54,922 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2020-07-20 16:26:54,922 INFO L268 CegarLoopResult]: For program point L989(lines 989 993) no Hoare annotation was computed. [2020-07-20 16:26:54,922 INFO L271 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: true [2020-07-20 16:26:54,922 INFO L268 CegarLoopResult]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2020-07-20 16:26:54,922 INFO L268 CegarLoopResult]: For program point L987-1(line 987) no Hoare annotation was computed. [2020-07-20 16:26:54,922 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point L944(lines 944 952) no Hoare annotation was computed. [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 925 960) no Hoare annotation was computed. [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2020-07-20 16:26:54,923 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 925 960) no Hoare annotation was computed. [2020-07-20 16:26:54,924 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-07-20 16:26:54,924 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 925 960) no Hoare annotation was computed. [2020-07-20 16:26:54,924 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-07-20 16:26:54,924 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 16:26:54,924 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 16:26:54,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-07-20 16:26:54,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-07-20 16:26:54,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-07-20 16:26:54,925 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-07-20 16:26:54,925 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-07-20 16:26:54,925 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-07-20 16:26:54,925 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-07-20 16:26:54,925 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-07-20 16:26:54,925 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-07-20 16:26:54,925 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,926 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,926 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2020-07-20 16:26:54,926 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2020-07-20 16:26:54,926 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2020-07-20 16:26:54,926 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-20 16:26:54,926 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-20 16:26:54,926 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2020-07-20 16:26:54,926 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2020-07-20 16:26:54,927 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 16:26:54,927 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2020-07-20 16:26:54,927 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2020-07-20 16:26:54,927 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-07-20 16:26:54,927 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2020-07-20 16:26:54,927 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2020-07-20 16:26:54,927 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2020-07-20 16:26:54,928 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:54,928 INFO L268 CegarLoopResult]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2020-07-20 16:26:54,928 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:54,928 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:54,928 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2020-07-20 16:26:54,928 INFO L268 CegarLoopResult]: For program point L854(lines 854 862) no Hoare annotation was computed. [2020-07-20 16:26:54,929 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:54,929 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 846 870) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:54,929 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-20 16:26:54,929 INFO L268 CegarLoopResult]: For program point L850(lines 850 867) no Hoare annotation was computed. [2020-07-20 16:26:54,929 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2020-07-20 16:26:54,929 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2020-07-20 16:26:54,929 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:54,930 INFO L264 CegarLoopResult]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:54,930 INFO L264 CegarLoopResult]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:54,930 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-07-20 16:26:54,930 INFO L268 CegarLoopResult]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2020-07-20 16:26:54,930 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-07-20 16:26:54,930 INFO L268 CegarLoopResult]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2020-07-20 16:26:54,930 INFO L264 CegarLoopResult]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:26:54,931 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-20 16:26:54,931 INFO L264 CegarLoopResult]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 16:26:54,931 INFO L268 CegarLoopResult]: For program point L726(lines 725 770) no Hoare annotation was computed. [2020-07-20 16:26:54,931 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-07-20 16:26:54,931 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 16:26:54,931 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-07-20 16:26:54,931 INFO L268 CegarLoopResult]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2020-07-20 16:26:54,931 INFO L268 CegarLoopResult]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2020-07-20 16:26:54,932 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-20 16:26:54,932 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-20 16:26:54,932 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-20 16:26:54,932 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-07-20 16:26:54,932 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-07-20 16:26:54,932 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-07-20 16:26:54,932 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:54,932 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 243 265) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 243 265) no Hoare annotation was computed. [2020-07-20 16:26:54,933 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 243 265) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-07-20 16:26:54,934 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-20 16:26:54,935 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-07-20 16:26:54,936 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-20 16:26:54,936 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-07-20 16:26:54,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:54,936 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:26:54,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:54,936 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2020-07-20 16:26:54,936 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:54,936 INFO L268 CegarLoopResult]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2020-07-20 16:26:54,937 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 896) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:54,937 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-07-20 16:26:54,937 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:54,937 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-07-20 16:26:54,937 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2020-07-20 16:26:54,937 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-20 16:26:54,937 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-20 16:26:54,937 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2020-07-20 16:26:54,938 INFO L268 CegarLoopResult]: For program point L970(lines 970 974) no Hoare annotation was computed. [2020-07-20 16:26:54,938 INFO L271 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: true [2020-07-20 16:26:54,938 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2020-07-20 16:26:54,938 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-20 16:26:54,938 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2020-07-20 16:26:54,938 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2020-07-20 16:26:54,938 INFO L268 CegarLoopResult]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2020-07-20 16:26:54,938 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: true [2020-07-20 16:26:54,939 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2020-07-20 16:26:54,939 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:54,939 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:54,939 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:54,939 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse4 (and .cse6 (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse4 .cse5)))) [2020-07-20 16:26:54,939 INFO L264 CegarLoopResult]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-20 16:26:54,940 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:54,940 INFO L268 CegarLoopResult]: For program point L792(lines 788 810) no Hoare annotation was computed. [2020-07-20 16:26:54,940 INFO L268 CegarLoopResult]: For program point L790(lines 788 810) no Hoare annotation was computed. [2020-07-20 16:26:54,940 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-20 16:26:54,940 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2020-07-20 16:26:54,940 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2020-07-20 16:26:54,940 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-07-20 16:26:54,941 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-07-20 16:26:54,941 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-07-20 16:26:54,941 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-07-20 16:26:54,941 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-07-20 16:26:54,941 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-07-20 16:26:54,941 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-07-20 16:26:54,941 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-20 16:26:54,941 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-07-20 16:26:54,941 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 16:26:54,942 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2020-07-20 16:26:54,942 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2020-07-20 16:26:54,942 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2020-07-20 16:26:54,942 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 198 209) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3) (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:54,942 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2020-07-20 16:26:54,942 INFO L268 CegarLoopResult]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2020-07-20 16:26:54,942 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-07-20 16:26:54,942 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-07-20 16:26:54,942 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:54,943 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:54,943 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:54,943 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:54,943 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:54,943 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-20 16:26:54,943 INFO L268 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-07-20 16:26:54,943 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2020-07-20 16:26:54,943 INFO L264 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:54,943 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-20 16:26:54,944 INFO L268 CegarLoopResult]: For program point L824(lines 824 841) no Hoare annotation was computed. [2020-07-20 16:26:54,944 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 16:26:54,944 INFO L268 CegarLoopResult]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2020-07-20 16:26:54,944 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:54,944 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2020-07-20 16:26:54,944 INFO L268 CegarLoopResult]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2020-07-20 16:26:54,944 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 210 221) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 16:26:54,945 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:26:54,945 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:26:54,945 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:26:54,945 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:26:54,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:54 BoogieIcfgContainer [2020-07-20 16:26:54,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:54,964 INFO L168 Benchmark]: Toolchain (without parser) took 17801.47 ms. Allocated memory was 138.4 MB in the beginning and 368.1 MB in the end (delta: 229.6 MB). Free memory was 102.2 MB in the beginning and 162.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 218.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:54,964 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:54,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.26 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 101.8 MB in the beginning and 171.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:54,966 INFO L168 Benchmark]: Boogie Preprocessor took 92.11 ms. Allocated memory is still 205.5 MB. Free memory was 171.9 MB in the beginning and 167.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:54,967 INFO L168 Benchmark]: RCFGBuilder took 1372.35 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 191.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:54,968 INFO L168 Benchmark]: TraceAbstraction took 15537.56 ms. Allocated memory was 235.4 MB in the beginning and 368.1 MB in the end (delta: 132.6 MB). Free memory was 191.7 MB in the beginning and 162.5 MB in the end (delta: 29.2 MB). Peak memory consumption was 211.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:54,972 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 793.26 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 101.8 MB in the beginning and 171.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.11 ms. Allocated memory is still 205.5 MB. Free memory was 171.9 MB in the beginning and 167.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1372.35 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 191.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15537.56 ms. Allocated memory was 235.4 MB in the beginning and 368.1 MB in the end (delta: 132.6 MB). Free memory was 191.7 MB in the beginning and 162.5 MB in the end (delta: 29.2 MB). Peak memory consumption was 211.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1924 SDtfs, 1250 SDslu, 3529 SDs, 0 SdLazy, 1935 SolverSat, 459 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 1079 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 189 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 874 PreInvPairs, 948 NumberOfFragments, 1581 HoareAnnotationTreeSize, 874 FomulaSimplifications, 1330 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 7540 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 955 NumberOfCodeBlocks, 777 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1116 ConstructedInterpolants, 0 QuantifiedInterpolants, 247800 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7114 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 89/111 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...