/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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:14,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:14,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:14,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:14,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:14,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:14,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:14,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:14,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:14,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:14,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:14,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:14,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:14,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:14,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:14,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:14,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:14,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:14,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:14,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:14,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:14,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:14,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:14,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:14,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:14,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:14,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:14,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:14,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:14,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:14,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:14,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:14,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:14,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:14,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:14,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:14,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:14,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:14,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:14,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:14,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:14,167 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 16:26:14,181 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:14,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:14,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:14,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:14,183 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:14,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:14,183 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:14,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:14,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:14,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:14,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:14,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:14,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:14,185 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:14,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:14,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:14,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:14,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:14,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:14,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:14,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:14,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:14,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:14,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:14,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:14,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:14,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:14,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:14,188 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 16:26:14,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:14,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:14,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:14,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:14,482 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:14,483 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-20 16:26:14,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c2a94d7/4d53758913ea48d5b388ef2b9571b5d5/FLAG0b6f3a326 [2020-07-20 16:26:15,046 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:15,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-20 16:26:15,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c2a94d7/4d53758913ea48d5b388ef2b9571b5d5/FLAG0b6f3a326 [2020-07-20 16:26:15,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c2a94d7/4d53758913ea48d5b388ef2b9571b5d5 [2020-07-20 16:26:15,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:15,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:15,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:15,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:15,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:15,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:15" (1/1) ... [2020-07-20 16:26:15,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f465035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:15, skipping insertion in model container [2020-07-20 16:26:15,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:15" (1/1) ... [2020-07-20 16:26:15,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:15,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:15,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:15,934 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:16,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:16,063 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:16,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16 WrapperNode [2020-07-20 16:26:16,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:16,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:16,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:16,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:16,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (1/1) ... [2020-07-20 16:26:16,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (1/1) ... [2020-07-20 16:26:16,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (1/1) ... [2020-07-20 16:26:16,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (1/1) ... [2020-07-20 16:26:16,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (1/1) ... [2020-07-20 16:26:16,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (1/1) ... [2020-07-20 16:26:16,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (1/1) ... [2020-07-20 16:26:16,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:16,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:16,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:16,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:16,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (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 16:26:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:16,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:16,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:16,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:16,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:26:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:26:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:26:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:26:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:26:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:26:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:17,431 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:17,432 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:17,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:17 BoogieIcfgContainer [2020-07-20 16:26:17,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:17,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:17,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:17,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:17,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:15" (1/3) ... [2020-07-20 16:26:17,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626d97b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:17, skipping insertion in model container [2020-07-20 16:26:17,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:16" (2/3) ... [2020-07-20 16:26:17,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626d97b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:17, skipping insertion in model container [2020-07-20 16:26:17,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:17" (3/3) ... [2020-07-20 16:26:17,452 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-07-20 16:26:17,470 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:17,478 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:17,492 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:17,518 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:17,518 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:17,518 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:17,519 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:17,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:17,519 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:17,519 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:17,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-20 16:26:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:17,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:17,553 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 16:26:17,553 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:17,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:17,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2020-07-20 16:26:17,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:17,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991474385] [2020-07-20 16:26:17,568 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 16:26:18,036 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:18,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:18,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:18,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:18,084 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 16:26:18,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:18,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991474385] [2020-07-20 16:26:18,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:18,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:18,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422023709] [2020-07-20 16:26:18,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:18,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:18,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:18,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:18,111 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2020-07-20 16:26:18,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:18,163 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2020-07-20 16:26:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:18,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:18,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:18,179 INFO L225 Difference]: With dead ends: 282 [2020-07-20 16:26:18,179 INFO L226 Difference]: Without dead ends: 143 [2020-07-20 16:26:18,184 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 16:26:18,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-20 16:26:18,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-20 16:26:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-20 16:26:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-07-20 16:26:18,263 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2020-07-20 16:26:18,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:18,264 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-07-20 16:26:18,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:18,264 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-07-20 16:26:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:18,268 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:18,269 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 16:26:18,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:18,471 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:18,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:18,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2020-07-20 16:26:18,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:18,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079853548] [2020-07-20 16:26:18,473 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 16:26:19,025 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:19,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:19,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:19,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:19,083 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 16:26:19,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:19,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079853548] [2020-07-20 16:26:19,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:19,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:19,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33388927] [2020-07-20 16:26:19,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:19,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:19,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:19,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:19,089 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2020-07-20 16:26:19,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:19,138 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2020-07-20 16:26:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:19,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:19,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:19,144 INFO L225 Difference]: With dead ends: 218 [2020-07-20 16:26:19,145 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 16:26:19,148 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 16:26:19,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 16:26:19,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 16:26:19,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 16:26:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-07-20 16:26:19,189 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-07-20 16:26:19,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:19,190 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-07-20 16:26:19,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-07-20 16:26:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:26:19,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:19,196 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] [2020-07-20 16:26:19,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:19,397 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:19,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2020-07-20 16:26:19,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:19,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958714940] [2020-07-20 16:26:19,398 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 16:26:19,826 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:19,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:19,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:19,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:19,881 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 16:26:19,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:19,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958714940] [2020-07-20 16:26:19,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:19,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:19,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704489309] [2020-07-20 16:26:19,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:19,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:19,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:19,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:19,885 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 3 states. [2020-07-20 16:26:19,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:19,941 INFO L93 Difference]: Finished difference Result 342 states and 402 transitions. [2020-07-20 16:26:19,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:19,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 16:26:19,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:19,947 INFO L225 Difference]: With dead ends: 342 [2020-07-20 16:26:19,947 INFO L226 Difference]: Without dead ends: 236 [2020-07-20 16:26:19,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 16:26:19,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-07-20 16:26:19,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2020-07-20 16:26:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-20 16:26:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 261 transitions. [2020-07-20 16:26:20,002 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 261 transitions. Word has length 65 [2020-07-20 16:26:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:20,004 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 261 transitions. [2020-07-20 16:26:20,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 261 transitions. [2020-07-20 16:26:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:26:20,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:20,012 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] [2020-07-20 16:26:20,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,228 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:20,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:20,229 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2020-07-20 16:26:20,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:20,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324292246] [2020-07-20 16:26:20,231 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 16:26:20,677 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:20,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:20,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:20,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:20,728 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 16:26:20,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:20,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324292246] [2020-07-20 16:26:20,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:20,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:20,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687029665] [2020-07-20 16:26:20,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:20,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:20,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:20,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:20,731 INFO L87 Difference]: Start difference. First operand 224 states and 261 transitions. Second operand 6 states. [2020-07-20 16:26:20,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:20,957 INFO L93 Difference]: Finished difference Result 538 states and 652 transitions. [2020-07-20 16:26:20,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:20,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:26:20,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:20,962 INFO L225 Difference]: With dead ends: 538 [2020-07-20 16:26:20,962 INFO L226 Difference]: Without dead ends: 342 [2020-07-20 16:26:20,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 16:26:20,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-20 16:26:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 334. [2020-07-20 16:26:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-07-20 16:26:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 395 transitions. [2020-07-20 16:26:20,988 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 395 transitions. Word has length 70 [2020-07-20 16:26:20,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:20,988 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 395 transitions. [2020-07-20 16:26:20,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 395 transitions. [2020-07-20 16:26:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 16:26:20,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:20,991 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] [2020-07-20 16:26:21,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:21,206 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:21,206 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2020-07-20 16:26:21,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:21,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779008876] [2020-07-20 16:26:21,207 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 16:26:21,368 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:21,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:21,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:26:21,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:21,412 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 16:26:21,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:21,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779008876] [2020-07-20 16:26:21,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:21,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:21,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934566815] [2020-07-20 16:26:21,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:21,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:21,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:21,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:21,415 INFO L87 Difference]: Start difference. First operand 334 states and 395 transitions. Second operand 5 states. [2020-07-20 16:26:21,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:21,444 INFO L93 Difference]: Finished difference Result 654 states and 796 transitions. [2020-07-20 16:26:21,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:21,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-07-20 16:26:21,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:21,448 INFO L225 Difference]: With dead ends: 654 [2020-07-20 16:26:21,448 INFO L226 Difference]: Without dead ends: 348 [2020-07-20 16:26:21,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 16:26:21,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-20 16:26:21,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 342. [2020-07-20 16:26:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-07-20 16:26:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 403 transitions. [2020-07-20 16:26:21,472 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 403 transitions. Word has length 103 [2020-07-20 16:26:21,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:21,472 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 403 transitions. [2020-07-20 16:26:21,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 403 transitions. [2020-07-20 16:26:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 16:26:21,474 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:21,475 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] [2020-07-20 16:26:21,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:21,689 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:21,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:21,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1483424286, now seen corresponding path program 1 times [2020-07-20 16:26:21,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:21,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710599693] [2020-07-20 16:26:21,691 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 16:26:22,034 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:22,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:22,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:22,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:22,078 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 16:26:22,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:22,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710599693] [2020-07-20 16:26:22,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:22,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:22,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290689765] [2020-07-20 16:26:22,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:22,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:22,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:22,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:22,080 INFO L87 Difference]: Start difference. First operand 342 states and 403 transitions. Second operand 3 states. [2020-07-20 16:26:22,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:22,131 INFO L93 Difference]: Finished difference Result 946 states and 1181 transitions. [2020-07-20 16:26:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:22,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 16:26:22,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:22,136 INFO L225 Difference]: With dead ends: 946 [2020-07-20 16:26:22,137 INFO L226 Difference]: Without dead ends: 632 [2020-07-20 16:26:22,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 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 16:26:22,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-07-20 16:26:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 629. [2020-07-20 16:26:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-07-20 16:26:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 770 transitions. [2020-07-20 16:26:22,173 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 770 transitions. Word has length 103 [2020-07-20 16:26:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:22,174 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 770 transitions. [2020-07-20 16:26:22,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 770 transitions. [2020-07-20 16:26:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 16:26:22,177 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:22,177 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] [2020-07-20 16:26:22,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:22,393 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:22,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:22,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2020-07-20 16:26:22,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:22,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539853799] [2020-07-20 16:26:22,395 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 16:26:22,754 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:22,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:22,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:22,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:22,796 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 16:26:22,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:22,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539853799] [2020-07-20 16:26:22,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:22,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:22,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99768026] [2020-07-20 16:26:22,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:22,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:22,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:22,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:22,798 INFO L87 Difference]: Start difference. First operand 629 states and 770 transitions. Second operand 6 states. [2020-07-20 16:26:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:22,849 INFO L93 Difference]: Finished difference Result 1248 states and 1574 transitions. [2020-07-20 16:26:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:22,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-07-20 16:26:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:22,854 INFO L225 Difference]: With dead ends: 1248 [2020-07-20 16:26:22,855 INFO L226 Difference]: Without dead ends: 647 [2020-07-20 16:26:22,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 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 16:26:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-07-20 16:26:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 639. [2020-07-20 16:26:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-07-20 16:26:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 782 transitions. [2020-07-20 16:26:22,891 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 782 transitions. Word has length 103 [2020-07-20 16:26:22,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:22,892 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 782 transitions. [2020-07-20 16:26:22,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 782 transitions. [2020-07-20 16:26:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:22,894 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:22,895 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 16:26:23,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:23,109 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:23,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:23,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1729576613, now seen corresponding path program 1 times [2020-07-20 16:26:23,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:23,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652850597] [2020-07-20 16:26:23,111 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 16:26:23,258 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:23,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:23,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:23,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:23,311 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 16:26:23,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:23,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652850597] [2020-07-20 16:26:23,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:23,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:23,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176874943] [2020-07-20 16:26:23,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:23,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:23,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:23,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:23,316 INFO L87 Difference]: Start difference. First operand 639 states and 782 transitions. Second operand 5 states. [2020-07-20 16:26:23,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:23,364 INFO L93 Difference]: Finished difference Result 1198 states and 1504 transitions. [2020-07-20 16:26:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:23,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-20 16:26:23,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:23,370 INFO L225 Difference]: With dead ends: 1198 [2020-07-20 16:26:23,370 INFO L226 Difference]: Without dead ends: 587 [2020-07-20 16:26:23,372 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 16:26:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-07-20 16:26:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2020-07-20 16:26:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-07-20 16:26:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 712 transitions. [2020-07-20 16:26:23,400 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 712 transitions. Word has length 107 [2020-07-20 16:26:23,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:23,400 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 712 transitions. [2020-07-20 16:26:23,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 712 transitions. [2020-07-20 16:26:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:23,404 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:23,404 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 16:26:23,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:23,619 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:23,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2020-07-20 16:26:23,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:23,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948221359] [2020-07-20 16:26:23,620 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 16:26:23,973 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:23,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:23,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:23,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:24,086 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 16:26:24,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:24,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948221359] [2020-07-20 16:26:24,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:24,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:24,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388912276] [2020-07-20 16:26:24,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:24,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:24,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:24,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:24,089 INFO L87 Difference]: Start difference. First operand 587 states and 712 transitions. Second operand 10 states. [2020-07-20 16:26:25,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:25,733 INFO L93 Difference]: Finished difference Result 1746 states and 2415 transitions. [2020-07-20 16:26:25,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:26:25,734 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-07-20 16:26:25,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:25,742 INFO L225 Difference]: With dead ends: 1746 [2020-07-20 16:26:25,742 INFO L226 Difference]: Without dead ends: 1187 [2020-07-20 16:26:25,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 16:26:25,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-07-20 16:26:25,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 868. [2020-07-20 16:26:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2020-07-20 16:26:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1058 transitions. [2020-07-20 16:26:25,799 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1058 transitions. Word has length 107 [2020-07-20 16:26:25,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:25,799 INFO L479 AbstractCegarLoop]: Abstraction has 868 states and 1058 transitions. [2020-07-20 16:26:25,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1058 transitions. [2020-07-20 16:26:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 16:26:25,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:25,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:26,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:26,019 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:26,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:26,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1626130063, now seen corresponding path program 1 times [2020-07-20 16:26:26,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:26,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048828263] [2020-07-20 16:26:26,021 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 16:26:26,385 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:26,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:26,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:26:26,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:26,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:26,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048828263] [2020-07-20 16:26:26,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:26,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:26,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785255642] [2020-07-20 16:26:26,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:26,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:26,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:26,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:26,424 INFO L87 Difference]: Start difference. First operand 868 states and 1058 transitions. Second operand 3 states. [2020-07-20 16:26:26,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:26,520 INFO L93 Difference]: Finished difference Result 1481 states and 1805 transitions. [2020-07-20 16:26:26,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:26,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-07-20 16:26:26,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:26,525 INFO L225 Difference]: With dead ends: 1481 [2020-07-20 16:26:26,526 INFO L226 Difference]: Without dead ends: 641 [2020-07-20 16:26:26,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 16:26:26,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-07-20 16:26:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 625. [2020-07-20 16:26:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-07-20 16:26:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 742 transitions. [2020-07-20 16:26:26,595 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 742 transitions. Word has length 148 [2020-07-20 16:26:26,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:26,595 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 742 transitions. [2020-07-20 16:26:26,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 742 transitions. [2020-07-20 16:26:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-20 16:26:26,598 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:26,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:26,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:26,813 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:26,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:26,814 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2020-07-20 16:26:26,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:26,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045432035] [2020-07-20 16:26:26,815 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:27,153 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:27,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:27,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:27,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:27,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:27,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045432035] [2020-07-20 16:26:27,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:27,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:27,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534123815] [2020-07-20 16:26:27,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:27,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:27,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:27,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:27,593 INFO L87 Difference]: Start difference. First operand 625 states and 742 transitions. Second operand 10 states. [2020-07-20 16:26:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:28,434 INFO L93 Difference]: Finished difference Result 1306 states and 1565 transitions. [2020-07-20 16:26:28,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:28,435 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2020-07-20 16:26:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:28,436 INFO L225 Difference]: With dead ends: 1306 [2020-07-20 16:26:28,436 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:28,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:28,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:28,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-07-20 16:26:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:28,441 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:28,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:28,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:28,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:28,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:30,096 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-20 16:26:30,377 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 16:26:30,539 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2020-07-20 16:26:30,892 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-20 16:26:31,185 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2020-07-20 16:26:31,433 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:26:31,726 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-07-20 16:26:32,179 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:26:32,301 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-07-20 16:26:32,522 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 16:26:33,184 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-07-20 16:26:33,522 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 34 [2020-07-20 16:26:33,721 INFO L268 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-07-20 16:26:33,722 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2020-07-20 16:26:33,722 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-20 16:26:33,722 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2020-07-20 16:26:33,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2020-07-20 16:26:33,722 INFO L268 CegarLoopResult]: For program point L240(lines 217 241) no Hoare annotation was computed. [2020-07-20 16:26:33,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2020-07-20 16:26:33,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2020-07-20 16:26:33,723 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-20 16:26:33,723 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2020-07-20 16:26:33,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2020-07-20 16:26:33,723 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-20 16:26:33,724 INFO L268 CegarLoopResult]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2020-07-20 16:26:33,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2020-07-20 16:26:33,724 INFO L268 CegarLoopResult]: For program point L301(lines 274 302) no Hoare annotation was computed. [2020-07-20 16:26:33,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2020-07-20 16:26:33,724 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-20 16:26:33,724 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-20 16:26:33,724 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2020-07-20 16:26:33,725 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2020-07-20 16:26:33,725 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-20 16:26:33,725 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2020-07-20 16:26:33,725 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-20 16:26:33,725 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: true [2020-07-20 16:26:33,725 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2020-07-20 16:26:33,725 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2020-07-20 16:26:33,726 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (not (= 0 ~systemActive~0)) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:33,726 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-20 16:26:33,726 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2020-07-20 16:26:33,726 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2020-07-20 16:26:33,726 INFO L264 CegarLoopResult]: At program point L961(line 961) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 16:26:33,726 INFO L268 CegarLoopResult]: For program point L959(lines 959 965) no Hoare annotation was computed. [2020-07-20 16:26:33,727 INFO L268 CegarLoopResult]: For program point L958(lines 958 968) no Hoare annotation was computed. [2020-07-20 16:26:33,727 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:33,727 INFO L268 CegarLoopResult]: For program point L956-1(line 956) no Hoare annotation was computed. [2020-07-20 16:26:33,727 INFO L268 CegarLoopResult]: For program point L954(lines 954 971) no Hoare annotation was computed. [2020-07-20 16:26:33,727 INFO L268 CegarLoopResult]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2020-07-20 16:26:33,727 INFO L271 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: true [2020-07-20 16:26:33,727 INFO L268 CegarLoopResult]: For program point L952-1(line 952) no Hoare annotation was computed. [2020-07-20 16:26:33,728 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2020-07-20 16:26:33,728 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2020-07-20 16:26:33,728 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,728 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2020-07-20 16:26:33,728 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2020-07-20 16:26:33,728 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,728 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,729 INFO L268 CegarLoopResult]: For program point L904(lines 904 911) no Hoare annotation was computed. [2020-07-20 16:26:33,729 INFO L268 CegarLoopResult]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2020-07-20 16:26:33,729 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-20 16:26:33,729 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,729 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,729 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,729 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-20 16:26:33,730 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 16:26:33,730 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2020-07-20 16:26:33,730 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 16:26:33,730 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 16:26:33,730 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 16:26:33,730 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2020-07-20 16:26:33,730 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-20 16:26:33,731 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-20 16:26:33,732 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2020-07-20 16:26:33,732 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 16:26:33,732 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (= 0 ~pumpRunning~0)) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (or .cse3 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-20 16:26:33,732 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2020-07-20 16:26:33,732 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-20 16:26:33,732 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2020-07-20 16:26:33,733 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2020-07-20 16:26:33,733 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2020-07-20 16:26:33,733 INFO L268 CegarLoopResult]: For program point L640(lines 640 648) no Hoare annotation was computed. [2020-07-20 16:26:33,733 INFO L268 CegarLoopResult]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2020-07-20 16:26:33,733 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-07-20 16:26:33,733 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-20 16:26:33,733 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2020-07-20 16:26:33,733 INFO L268 CegarLoopResult]: For program point L652(lines 652 660) no Hoare annotation was computed. [2020-07-20 16:26:33,734 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2020-07-20 16:26:33,734 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2020-07-20 16:26:33,734 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2020-07-20 16:26:33,734 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2020-07-20 16:26:33,734 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2020-07-20 16:26:33,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2020-07-20 16:26:33,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2020-07-20 16:26:33,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2020-07-20 16:26:33,735 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-20 16:26:33,735 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-20 16:26:33,735 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-20 16:26:33,735 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-20 16:26:33,735 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-20 16:26:33,735 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-20 16:26:33,735 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,736 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2020-07-20 16:26:33,736 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,736 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2020-07-20 16:26:33,736 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2020-07-20 16:26:33,736 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2020-07-20 16:26:33,736 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-07-20 16:26:33,736 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-07-20 16:26:33,737 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2020-07-20 16:26:33,737 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 16:26:33,737 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2020-07-20 16:26:33,737 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2020-07-20 16:26:33,737 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 16:26:33,737 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 16:26:33,738 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 16:26:33,738 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 16:26:33,738 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 16:26:33,738 INFO L268 CegarLoopResult]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2020-07-20 16:26:33,738 INFO L264 CegarLoopResult]: At program point L568(line 568) 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 processEnvironment_~tmp~3) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:33,738 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2020-07-20 16:26:33,739 INFO L264 CegarLoopResult]: At program point L564(line 564) 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 16:26:33,739 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 16:26:33,739 INFO L268 CegarLoopResult]: For program point L562(lines 562 570) no Hoare annotation was computed. [2020-07-20 16:26:33,739 INFO L264 CegarLoopResult]: At program point L560(line 560) 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 16:26:33,739 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-20 16:26:33,739 INFO L268 CegarLoopResult]: For program point L558(lines 558 575) no Hoare annotation was computed. [2020-07-20 16:26:33,739 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-20 16:26:33,740 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2020-07-20 16:26:33,740 INFO L264 CegarLoopResult]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,740 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:33,740 INFO L268 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-07-20 16:26:33,740 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-07-20 16:26:33,740 INFO L268 CegarLoopResult]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2020-07-20 16:26:33,740 INFO L268 CegarLoopResult]: For program point L725(lines 725 729) no Hoare annotation was computed. [2020-07-20 16:26:33,743 INFO L264 CegarLoopResult]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,743 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:33,744 INFO L268 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-07-20 16:26:33,744 INFO L264 CegarLoopResult]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:33,744 INFO L268 CegarLoopResult]: For program point L724(lines 723 772) no Hoare annotation was computed. [2020-07-20 16:26:33,744 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:33,744 INFO L268 CegarLoopResult]: For program point L753(lines 753 768) no Hoare annotation was computed. [2020-07-20 16:26:33,744 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:33,744 INFO L268 CegarLoopResult]: For program point L743(lines 743 749) no Hoare annotation was computed. [2020-07-20 16:26:33,745 INFO L268 CegarLoopResult]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2020-07-20 16:26:33,745 INFO L268 CegarLoopResult]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2020-07-20 16:26:33,745 INFO L264 CegarLoopResult]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:33,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-20 16:26:33,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-20 16:26:33,745 INFO L268 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-07-20 16:26:33,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-20 16:26:33,746 INFO L268 CegarLoopResult]: For program point L428(lines 428 448) no Hoare annotation was computed. [2020-07-20 16:26:33,746 INFO L268 CegarLoopResult]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2020-07-20 16:26:33,746 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) 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 16:26:33,746 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2020-07-20 16:26:33,746 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2020-07-20 16:26:33,746 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:26:33,746 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 16:26:33,746 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-07-20 16:26:33,747 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point L381(lines 359 382) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point L340(lines 340 356) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point L361(lines 360 380) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-07-20 16:26:33,748 INFO L268 CegarLoopResult]: For program point L357(lines 357 398) no Hoare annotation was computed. [2020-07-20 16:26:33,749 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2020-07-20 16:26:33,749 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2020-07-20 16:26:33,749 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2020-07-20 16:26:33,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:33,749 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 16:26:33,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:33,749 INFO L264 CegarLoopResult]: At program point L593(line 593) 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 16:26:33,749 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-20 16:26:33,749 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2020-07-20 16:26:33,750 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 588 604) 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 16:26:33,750 INFO L264 CegarLoopResult]: At program point L599(line 599) 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 16:26:33,750 INFO L268 CegarLoopResult]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2020-07-20 16:26:33,750 INFO L268 CegarLoopResult]: For program point L595(lines 595 601) no Hoare annotation was computed. [2020-07-20 16:26:33,752 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-20 16:26:33,752 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 16:26:33,752 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 16:26:33,752 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2020-07-20 16:26:33,752 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-20 16:26:33,753 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2020-07-20 16:26:33,753 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2020-07-20 16:26:33,753 INFO L271 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: true [2020-07-20 16:26:33,753 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2020-07-20 16:26:33,754 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-20 16:26:33,754 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 16:26:33,754 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-20 16:26:33,754 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 16:26:33,754 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:33,754 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:33,754 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:33,754 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 16:26:33,754 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 16:26:33,755 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 16:26:33,755 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse8 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse1 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse1 (and .cse8 .cse2)) (or .cse0 .cse6 .cse3 .cse7 .cse4)))) [2020-07-20 16:26:33,755 INFO L264 CegarLoopResult]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse5)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 (<= ~waterLevel~0 1) .cse12)) (.cse8 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (and .cse4 (<= ~waterLevel~0 2) .cse5) .cse6 .cse7) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse8 .cse9 .cse10) (or .cse0 .cse8 .cse2 .cse3) (or .cse8 .cse9 .cse6 .cse10 .cse7) (or .cse8 (and .cse4 .cse11 .cse5) .cse2 (and .cse4 .cse11 .cse12) .cse6 .cse7)))) [2020-07-20 16:26:33,755 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:33,756 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 .cse10 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 16:26:33,756 INFO L268 CegarLoopResult]: For program point L526(lines 522 544) no Hoare annotation was computed. [2020-07-20 16:26:33,757 INFO L268 CegarLoopResult]: For program point L524(lines 522 544) no Hoare annotation was computed. [2020-07-20 16:26:33,757 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2020-07-20 16:26:33,757 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2020-07-20 16:26:33,757 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 16:26:33,757 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2020-07-20 16:26:33,757 INFO L271 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2020-07-20 16:26:33,757 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2020-07-20 16:26:33,757 INFO L271 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: true [2020-07-20 16:26:33,758 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-07-20 16:26:33,758 INFO L271 CegarLoopResult]: At program point L846(lines 821 850) the Hoare annotation is: true [2020-07-20 16:26:33,758 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 16:26:33,758 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-20 16:26:33,758 INFO L271 CegarLoopResult]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2020-07-20 16:26:33,758 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:33,758 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 16:26:33,758 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 16:26:33,758 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2020-07-20 16:26:33,759 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2020-07-20 16:26:33,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:33,759 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 16:26:33,759 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:33,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:33,759 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2020-07-20 16:26:33,759 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:26:33,759 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2020-07-20 16:26:33,759 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 16:26:33,760 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 16:26:33,760 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 16:26:33,760 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-20 16:26:33,760 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-20 16:26:33,760 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-20 16:26:33,760 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-20 16:26:33,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:33 BoogieIcfgContainer [2020-07-20 16:26:33,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:33,798 INFO L168 Benchmark]: Toolchain (without parser) took 18393.92 ms. Allocated memory was 138.4 MB in the beginning and 442.5 MB in the end (delta: 304.1 MB). Free memory was 100.4 MB in the beginning and 338.8 MB in the end (delta: -238.4 MB). Peak memory consumption was 276.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:33,800 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 16:26:33,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.08 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.0 MB in the beginning and 171.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:33,808 INFO L168 Benchmark]: Boogie Preprocessor took 95.26 ms. Allocated memory is still 202.9 MB. Free memory was 171.4 MB in the beginning and 167.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:33,809 INFO L168 Benchmark]: RCFGBuilder took 1277.61 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 196.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:33,809 INFO L168 Benchmark]: TraceAbstraction took 16355.34 ms. Allocated memory was 235.9 MB in the beginning and 442.5 MB in the end (delta: 206.6 MB). Free memory was 196.1 MB in the beginning and 338.8 MB in the end (delta: -142.6 MB). Peak memory consumption was 274.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:33,815 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 is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.08 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.0 MB in the beginning and 171.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.26 ms. Allocated memory is still 202.9 MB. Free memory was 171.4 MB in the beginning and 167.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1277.61 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 196.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16355.34 ms. Allocated memory was 235.9 MB in the beginning and 442.5 MB in the end (delta: 206.6 MB). Free memory was 196.1 MB in the beginning and 338.8 MB in the end (delta: -142.6 MB). Peak memory consumption was 274.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1985 SDtfs, 1115 SDslu, 3556 SDs, 0 SdLazy, 1707 SolverSat, 433 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1239 GetRequests, 1177 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 372 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1870 PreInvPairs, 1967 NumberOfFragments, 1957 HoareAnnotationTreeSize, 1870 FomulaSimplifications, 2869 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 64 FomulaSimplificationsInter, 7148 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 803 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1215 ConstructedInterpolants, 0 QuantifiedInterpolants, 236687 SizeOfPredicates, 27 NumberOfNonLiveVariables, 7638 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 121/139 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...