/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:39:45,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:39:45,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:39:45,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:39:45,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:39:45,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:39:45,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:39:45,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:39:45,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:39:45,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:39:45,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:39:45,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:39:45,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:39:45,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:39:45,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:39:45,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:39:45,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:39:45,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:39:45,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:39:45,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:39:45,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:39:45,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:39:45,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:39:45,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:39:45,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:39:45,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:39:45,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:39:45,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:39:45,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:39:45,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:39:45,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:39:45,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:39:45,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:39:45,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:39:45,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:39:45,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:39:45,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:39:45,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:39:45,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:39:45,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:39:45,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:39:45,210 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 [2020-07-21 15:39:45,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:39:45,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:39:45,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:39:45,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:39:45,227 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:39:45,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:39:45,227 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:39:45,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:39:45,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:39:45,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:39:45,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:39:45,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:39:45,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:39:45,228 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:39:45,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:39:45,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:39:45,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:39:45,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:39:45,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:39:45,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:39:45,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:39:45,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:39:45,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:39:45,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:39:45,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:39:45,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:39:45,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:45,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:39:45,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:39:45,231 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 -> 2 [2020-07-21 15:39:45,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:39:45,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:39:45,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:39:45,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:39:45,505 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:39:45,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-21 15:39:45,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4571f44/1b3d1ebcfa2c40b6888527f0d16324db/FLAG938c95cc0 [2020-07-21 15:39:46,078 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:39:46,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-21 15:39:46,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4571f44/1b3d1ebcfa2c40b6888527f0d16324db/FLAG938c95cc0 [2020-07-21 15:39:46,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4571f44/1b3d1ebcfa2c40b6888527f0d16324db [2020-07-21 15:39:46,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:39:46,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:39:46,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:46,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:39:46,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:39:46,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:46" (1/1) ... [2020-07-21 15:39:46,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98d2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:46, skipping insertion in model container [2020-07-21 15:39:46,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:46" (1/1) ... [2020-07-21 15:39:46,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:39:46,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:39:46,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:46,917 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:39:47,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:47,064 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:39:47,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47 WrapperNode [2020-07-21 15:39:47,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:47,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:39:47,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:39:47,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:39:47,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (1/1) ... [2020-07-21 15:39:47,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (1/1) ... [2020-07-21 15:39:47,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (1/1) ... [2020-07-21 15:39:47,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (1/1) ... [2020-07-21 15:39:47,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (1/1) ... [2020-07-21 15:39:47,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (1/1) ... [2020-07-21 15:39:47,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (1/1) ... [2020-07-21 15:39:47,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:39:47,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:39:47,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:39:47,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:39:47,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (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 [2020-07-21 15:39:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:39:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:39:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:39:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:39:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:39:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:39:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:39:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:39:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:39:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:39:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:39:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:39:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:39:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:39:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:39:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:39:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:39:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:39:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:39:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:39:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:39:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:39:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:39:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:39:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:39:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:39:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:39:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:39:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:39:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:39:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:39:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:39:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:39:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:39:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:39:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:39:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:39:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:39:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:39:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:39:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:39:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:39:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:39:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:39:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:39:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:39:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:39:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:39:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:39:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:39:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:39:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:39:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:39:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:39:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:39:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:39:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:39:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:39:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:39:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:39:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:39:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:39:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:39:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:39:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:39:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:39:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:39:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:39:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:39:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:39:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:39:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:39:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:39:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:39:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:39:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:39:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:39:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:39:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:39:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:39:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:39:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:39:48,377 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:39:48,378 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:39:48,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:48 BoogieIcfgContainer [2020-07-21 15:39:48,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:39:48,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:39:48,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:39:48,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:39:48,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:39:46" (1/3) ... [2020-07-21 15:39:48,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a57f760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:48, skipping insertion in model container [2020-07-21 15:39:48,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:47" (2/3) ... [2020-07-21 15:39:48,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a57f760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:48, skipping insertion in model container [2020-07-21 15:39:48,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:48" (3/3) ... [2020-07-21 15:39:48,394 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-07-21 15:39:48,406 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:39:48,416 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:39:48,429 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:39:48,451 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:39:48,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:39:48,452 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:39:48,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:39:48,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:39:48,453 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:39:48,453 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:39:48,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:39:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-21 15:39:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 15:39:48,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:48,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:48,487 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:48,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:48,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2020-07-21 15:39:48,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:48,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688308414] [2020-07-21 15:39:48,503 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:39:48,968 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:48,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:48,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:39:48,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:49,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:49,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688308414] [2020-07-21 15:39:49,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:49,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:39:49,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733766722] [2020-07-21 15:39:49,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:39:49,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:49,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:39:49,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:39:49,037 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2020-07-21 15:39:49,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:49,081 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2020-07-21 15:39:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:39:49,083 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 15:39:49,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:49,096 INFO L225 Difference]: With dead ends: 260 [2020-07-21 15:39:49,096 INFO L226 Difference]: Without dead ends: 130 [2020-07-21 15:39:49,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:39:49,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-21 15:39:49,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-21 15:39:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-21 15:39:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2020-07-21 15:39:49,160 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2020-07-21 15:39:49,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:49,160 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2020-07-21 15:39:49,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:39:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2020-07-21 15:39:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 15:39:49,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:49,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:49,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:49,381 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:49,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:49,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2020-07-21 15:39:49,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:49,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647520481] [2020-07-21 15:39:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:39:49,767 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:49,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:49,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:39:49,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:49,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:49,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647520481] [2020-07-21 15:39:49,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:49,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:39:49,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396067160] [2020-07-21 15:39:49,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:39:49,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:49,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:39:49,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:49,814 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2020-07-21 15:39:49,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:49,864 INFO L93 Difference]: Finished difference Result 236 states and 287 transitions. [2020-07-21 15:39:49,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:39:49,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 15:39:49,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:49,869 INFO L225 Difference]: With dead ends: 236 [2020-07-21 15:39:49,871 INFO L226 Difference]: Without dead ends: 130 [2020-07-21 15:39:49,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:49,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-21 15:39:49,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-21 15:39:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-21 15:39:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2020-07-21 15:39:49,912 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 47 [2020-07-21 15:39:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:49,913 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2020-07-21 15:39:49,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:39:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2020-07-21 15:39:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 15:39:49,920 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:49,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:50,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:50,135 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:50,136 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2020-07-21 15:39:50,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:50,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780919215] [2020-07-21 15:39:50,138 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:39:50,533 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:50,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:50,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 15:39:50,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:50,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:50,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780919215] [2020-07-21 15:39:50,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:50,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:39:50,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725114225] [2020-07-21 15:39:50,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:39:50,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:50,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:39:50,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:39:50,589 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 6 states. [2020-07-21 15:39:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:51,262 INFO L93 Difference]: Finished difference Result 341 states and 430 transitions. [2020-07-21 15:39:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:39:51,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 15:39:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:51,267 INFO L225 Difference]: With dead ends: 341 [2020-07-21 15:39:51,269 INFO L226 Difference]: Without dead ends: 235 [2020-07-21 15:39:51,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:39:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-07-21 15:39:51,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 207. [2020-07-21 15:39:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-21 15:39:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 242 transitions. [2020-07-21 15:39:51,315 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 242 transitions. Word has length 64 [2020-07-21 15:39:51,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:51,316 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 242 transitions. [2020-07-21 15:39:51,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:39:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 242 transitions. [2020-07-21 15:39:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-21 15:39:51,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:51,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:51,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:51,542 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:51,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:51,543 INFO L82 PathProgramCache]: Analyzing trace with hash -274572639, now seen corresponding path program 1 times [2020-07-21 15:39:51,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:51,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28433425] [2020-07-21 15:39:51,545 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:39:51,924 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:51,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:51,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:39:51,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:51,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:51,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28433425] [2020-07-21 15:39:51,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:51,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:39:51,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754817149] [2020-07-21 15:39:51,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:39:51,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:51,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:39:51,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:39:51,974 INFO L87 Difference]: Start difference. First operand 207 states and 242 transitions. Second operand 6 states. [2020-07-21 15:39:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:52,214 INFO L93 Difference]: Finished difference Result 214 states and 250 transitions. [2020-07-21 15:39:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:39:52,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-07-21 15:39:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:52,218 INFO L225 Difference]: With dead ends: 214 [2020-07-21 15:39:52,219 INFO L226 Difference]: Without dead ends: 211 [2020-07-21 15:39:52,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:39:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-21 15:39:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2020-07-21 15:39:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-21 15:39:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 241 transitions. [2020-07-21 15:39:52,242 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 241 transitions. Word has length 78 [2020-07-21 15:39:52,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:52,243 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 241 transitions. [2020-07-21 15:39:52,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:39:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 241 transitions. [2020-07-21 15:39:52,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-21 15:39:52,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:52,245 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] [2020-07-21 15:39:52,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:52,460 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:52,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:52,460 INFO L82 PathProgramCache]: Analyzing trace with hash -834631309, now seen corresponding path program 1 times [2020-07-21 15:39:52,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:52,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304243969] [2020-07-21 15:39:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:39:52,690 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:39:52,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:52,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:39:52,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:39:52,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:52,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304243969] [2020-07-21 15:39:52,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:52,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:39:52,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306094418] [2020-07-21 15:39:52,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:39:52,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:52,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:39:52,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:52,720 INFO L87 Difference]: Start difference. First operand 207 states and 241 transitions. Second operand 3 states. [2020-07-21 15:39:52,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:52,735 INFO L93 Difference]: Finished difference Result 336 states and 378 transitions. [2020-07-21 15:39:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:39:52,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-21 15:39:52,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:52,738 INFO L225 Difference]: With dead ends: 336 [2020-07-21 15:39:52,738 INFO L226 Difference]: Without dead ends: 189 [2020-07-21 15:39:52,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:52,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-07-21 15:39:52,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-07-21 15:39:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-21 15:39:52,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 213 transitions. [2020-07-21 15:39:52,753 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 213 transitions. Word has length 90 [2020-07-21 15:39:52,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:52,753 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 213 transitions. [2020-07-21 15:39:52,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:39:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 213 transitions. [2020-07-21 15:39:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 15:39:52,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:52,755 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] [2020-07-21 15:39:52,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:52,969 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:52,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:52,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1945522677, now seen corresponding path program 1 times [2020-07-21 15:39:52,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:52,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855805601] [2020-07-21 15:39:52,971 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:39:53,221 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:53,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:53,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:39:53,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:53,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:53,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855805601] [2020-07-21 15:39:53,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:53,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 15:39:53,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294309329] [2020-07-21 15:39:53,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 15:39:53,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:53,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 15:39:53,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 15:39:53,321 INFO L87 Difference]: Start difference. First operand 189 states and 213 transitions. Second operand 11 states. [2020-07-21 15:39:54,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:54,005 INFO L93 Difference]: Finished difference Result 493 states and 585 transitions. [2020-07-21 15:39:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:39:54,006 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-07-21 15:39:54,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:54,009 INFO L225 Difference]: With dead ends: 493 [2020-07-21 15:39:54,009 INFO L226 Difference]: Without dead ends: 328 [2020-07-21 15:39:54,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:39:54,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-07-21 15:39:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2020-07-21 15:39:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-07-21 15:39:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 372 transitions. [2020-07-21 15:39:54,032 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 372 transitions. Word has length 94 [2020-07-21 15:39:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:54,033 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 372 transitions. [2020-07-21 15:39:54,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 15:39:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 372 transitions. [2020-07-21 15:39:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 15:39:54,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:54,036 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-07-21 15:39:54,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:54,250 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1989653921, now seen corresponding path program 1 times [2020-07-21 15:39:54,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:54,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196808988] [2020-07-21 15:39:54,253 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:39:54,522 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:54,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:54,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:39:54,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 15:39:54,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:54,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196808988] [2020-07-21 15:39:54,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:54,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 15:39:54,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446346756] [2020-07-21 15:39:54,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 15:39:54,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:54,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 15:39:54,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:39:54,615 INFO L87 Difference]: Start difference. First operand 324 states and 372 transitions. Second operand 8 states. [2020-07-21 15:39:54,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:54,984 INFO L93 Difference]: Finished difference Result 713 states and 826 transitions. [2020-07-21 15:39:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 15:39:54,985 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2020-07-21 15:39:54,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:54,986 INFO L225 Difference]: With dead ends: 713 [2020-07-21 15:39:54,986 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:39:54,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:39:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:39:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:39:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:39:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:39:54,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-21 15:39:54,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:54,990 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:39:54,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 15:39:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:39:54,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:39:55,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:55,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:39:55,902 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 16 [2020-07-21 15:39:56,217 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 16 [2020-07-21 15:39:56,790 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2020-07-21 15:39:57,893 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 16 [2020-07-21 15:39:57,897 INFO L268 CegarLoopResult]: For program point L413(lines 390 414) no Hoare annotation was computed. [2020-07-21 15:39:57,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2020-07-21 15:39:57,897 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L474(lines 447 475) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 15:39:57,898 INFO L268 CegarLoopResult]: For program point L467-1(line 467) no Hoare annotation was computed. [2020-07-21 15:39:57,899 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2020-07-21 15:39:57,899 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2020-07-21 15:39:57,899 INFO L268 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-07-21 15:39:57,899 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2020-07-21 15:39:57,899 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2020-07-21 15:39:57,899 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2020-07-21 15:39:57,899 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2020-07-21 15:39:57,900 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2020-07-21 15:39:57,900 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2020-07-21 15:39:57,900 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,900 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2020-07-21 15:39:57,900 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2020-07-21 15:39:57,900 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,900 INFO L264 CegarLoopResult]: At program point L267-1(line 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,901 INFO L268 CegarLoopResult]: For program point L265(lines 265 272) no Hoare annotation was computed. [2020-07-21 15:39:57,901 INFO L268 CegarLoopResult]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2020-07-21 15:39:57,901 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-07-21 15:39:57,901 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,901 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,901 INFO L264 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,901 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-07-21 15:39:57,902 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-21 15:39:57,903 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-07-21 15:39:57,904 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-21 15:39:57,904 INFO L268 CegarLoopResult]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2020-07-21 15:39:57,904 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-21 15:39:57,904 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-21 15:39:57,904 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-21 15:39:57,904 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-21 15:39:57,905 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-21 15:39:57,905 INFO L268 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2020-07-21 15:39:57,905 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:39:57,905 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2020-07-21 15:39:57,905 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-21 15:39:57,905 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2020-07-21 15:39:57,905 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-21 15:39:57,905 INFO L268 CegarLoopResult]: For program point L893(lines 893 901) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point L893-2(lines 893 901) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 886 921) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point L905(lines 905 913) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point L905-2(lines 905 913) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2020-07-21 15:39:57,906 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2020-07-21 15:39:57,907 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2020-07-21 15:39:57,907 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2020-07-21 15:39:57,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2020-07-21 15:39:57,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2020-07-21 15:39:57,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2020-07-21 15:39:57,907 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2020-07-21 15:39:57,907 INFO L268 CegarLoopResult]: For program point L653(lines 653 660) no Hoare annotation was computed. [2020-07-21 15:39:57,907 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2020-07-21 15:39:57,908 INFO L268 CegarLoopResult]: For program point L647(lines 647 667) no Hoare annotation was computed. [2020-07-21 15:39:57,908 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2020-07-21 15:39:57,908 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2020-07-21 15:39:57,908 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,908 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2020-07-21 15:39:57,908 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2020-07-21 15:39:57,908 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2020-07-21 15:39:57,908 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2020-07-21 15:39:57,909 INFO L271 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: true [2020-07-21 15:39:57,909 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2020-07-21 15:39:57,909 INFO L268 CegarLoopResult]: For program point L871-1(line 871) no Hoare annotation was computed. [2020-07-21 15:39:57,909 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 15:39:57,909 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2020-07-21 15:39:57,909 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2020-07-21 15:39:57,909 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-21 15:39:57,909 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-21 15:39:57,910 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-21 15:39:57,910 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-21 15:39:57,910 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse0 .cse3))) [2020-07-21 15:39:57,910 INFO L268 CegarLoopResult]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2020-07-21 15:39:57,910 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2020-07-21 15:39:57,910 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-21 15:39:57,911 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 15:39:57,911 INFO L264 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse1)))) [2020-07-21 15:39:57,911 INFO L268 CegarLoopResult]: For program point L816(lines 816 824) no Hoare annotation was computed. [2020-07-21 15:39:57,911 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-21 15:39:57,911 INFO L268 CegarLoopResult]: For program point L814-1(line 814) no Hoare annotation was computed. [2020-07-21 15:39:57,911 INFO L268 CegarLoopResult]: For program point L812(lines 812 829) no Hoare annotation was computed. [2020-07-21 15:39:57,911 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2020-07-21 15:39:57,912 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2020-07-21 15:39:57,912 INFO L264 CegarLoopResult]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 15:39:57,912 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-21 15:39:57,912 INFO L264 CegarLoopResult]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-21 15:39:57,912 INFO L268 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-07-21 15:39:57,912 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2020-07-21 15:39:57,912 INFO L268 CegarLoopResult]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2020-07-21 15:39:57,913 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-21 15:39:57,913 INFO L264 CegarLoopResult]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:57,913 INFO L268 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-07-21 15:39:57,913 INFO L264 CegarLoopResult]: At program point L726-2(lines 720 731) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0))) [2020-07-21 15:39:57,913 INFO L268 CegarLoopResult]: For program point L691(lines 690 735) no Hoare annotation was computed. [2020-07-21 15:39:57,913 INFO L268 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2020-07-21 15:39:57,914 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-21 15:39:57,914 INFO L268 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2020-07-21 15:39:57,914 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-07-21 15:39:57,914 INFO L268 CegarLoopResult]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2020-07-21 15:39:57,914 INFO L268 CegarLoopResult]: For program point L607(lines 607 614) no Hoare annotation was computed. [2020-07-21 15:39:57,914 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2020-07-21 15:39:57,914 INFO L268 CegarLoopResult]: For program point L601(lines 601 621) no Hoare annotation was computed. [2020-07-21 15:39:57,914 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2020-07-21 15:39:57,915 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2020-07-21 15:39:57,915 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2020-07-21 15:39:57,915 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:57,915 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2020-07-21 15:39:57,915 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2020-07-21 15:39:57,915 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:39:57,915 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 15:39:57,915 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 280 289) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point L554(lines 532 555) no Hoare annotation was computed. [2020-07-21 15:39:57,916 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L513(lines 513 529) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L573(lines 573 580) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L534(lines 533 553) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L530(lines 530 571) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:57,917 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 15:39:57,918 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 activatePump_~tmp~8))))) [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L271 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: true [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2020-07-21 15:39:57,918 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point L929-1(line 929) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:39:57,919 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:57,920 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 15:39:57,920 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 15:39:57,920 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 15:39:57,920 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 15:39:57,920 INFO L264 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (= 0 |old(~pumpRunning~0)|) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 15:39:57,920 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-21 15:39:57,920 INFO L268 CegarLoopResult]: For program point L754(lines 753 772) no Hoare annotation was computed. [2020-07-21 15:39:57,921 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 15:39:57,921 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2020-07-21 15:39:57,921 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2020-07-21 15:39:57,921 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-21 15:39:57,921 INFO L271 CegarLoopResult]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2020-07-21 15:39:57,921 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2020-07-21 15:39:57,921 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 15:39:57,921 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2020-07-21 15:39:57,922 INFO L271 CegarLoopResult]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2020-07-21 15:39:57,922 INFO L271 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: true [2020-07-21 15:39:57,922 INFO L268 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-07-21 15:39:57,922 INFO L271 CegarLoopResult]: At program point L204(lines 179 208) the Hoare annotation is: true [2020-07-21 15:39:57,922 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-21 15:39:57,922 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-21 15:39:57,922 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 15:39:57,922 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 15:39:57,923 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2020-07-21 15:39:57,923 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2020-07-21 15:39:57,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:57,923 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:39:57,923 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:39:57,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:57,923 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 15:39:57,924 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 15:39:57,924 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2020-07-21 15:39:57,924 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-21 15:39:57,924 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-07-21 15:39:57,924 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2020-07-21 15:39:57,924 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-21 15:39:57,924 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-21 15:39:57,925 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-07-21 15:39:57,925 INFO L268 CegarLoopResult]: For program point L159(lines 159 172) no Hoare annotation was computed. [2020-07-21 15:39:57,925 INFO L268 CegarLoopResult]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2020-07-21 15:39:57,925 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-21 15:39:57,925 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2020-07-21 15:39:57,925 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-21 15:39:57,925 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2020-07-21 15:39:57,925 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 15:39:57,925 INFO L268 CegarLoopResult]: For program point L163(lines 163 169) no Hoare annotation was computed. [2020-07-21 15:39:57,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:39:57 BoogieIcfgContainer [2020-07-21 15:39:57,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:39:57,944 INFO L168 Benchmark]: Toolchain (without parser) took 11514.23 ms. Allocated memory was 136.3 MB in the beginning and 334.0 MB in the end (delta: 197.7 MB). Free memory was 99.6 MB in the beginning and 143.1 MB in the end (delta: -43.4 MB). Peak memory consumption was 214.5 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:57,945 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:39:57,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.23 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 99.2 MB in the beginning and 170.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:57,946 INFO L168 Benchmark]: Boogie Preprocessor took 95.85 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:57,947 INFO L168 Benchmark]: RCFGBuilder took 1223.65 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 166.5 MB in the beginning and 196.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:57,948 INFO L168 Benchmark]: TraceAbstraction took 9555.06 ms. Allocated memory was 230.2 MB in the beginning and 334.0 MB in the end (delta: 103.8 MB). Free memory was 195.1 MB in the beginning and 143.1 MB in the end (delta: 52.1 MB). Peak memory consumption was 216.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:57,952 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 136.3 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.23 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 99.2 MB in the beginning and 170.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.85 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1223.65 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 166.5 MB in the beginning and 196.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9555.06 ms. Allocated memory was 230.2 MB in the beginning and 334.0 MB in the end (delta: 103.8 MB). Free memory was 195.1 MB in the beginning and 143.1 MB in the end (delta: 52.1 MB). Peak memory consumption was 216.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((!(1 <= systemActive) || ((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter <= 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1230 SDtfs, 778 SDslu, 2567 SDs, 0 SdLazy, 947 SolverSat, 197 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 571 GetRequests, 536 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 652 PreInvPairs, 693 NumberOfFragments, 1072 HoareAnnotationTreeSize, 652 FomulaSimplifications, 342 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 3435 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 568 NumberOfCodeBlocks, 523 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 80560 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4903 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 54/54 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...