/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_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:43:16,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:43:16,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:43:16,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:43:16,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:43:16,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:43:16,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:43:16,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:43:16,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:43:16,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:43:16,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:43:16,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:43:16,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:43:16,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:43:16,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:43:16,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:43:16,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:43:16,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:43:16,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:43:16,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:43:16,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:43:16,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:43:16,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:43:16,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:43:16,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:43:16,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:43:16,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:43:16,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:43:16,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:43:16,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:43:16,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:43:16,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:43:16,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:43:16,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:43:16,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:43:16,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:43:16,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:43:16,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:43:16,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:43:16,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:43:16,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:43:16,211 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 15:43:16,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:43:16,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:43:16,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:43:16,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:43:16,250 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:43:16,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:43:16,253 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:43:16,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:43:16,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:43:16,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:43:16,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:43:16,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:43:16,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:43:16,254 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:43:16,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:43:16,255 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:43:16,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:43:16,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:43:16,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:43:16,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:43:16,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:43:16,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:16,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:43:16,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:43:16,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:43:16,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:43:16,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:16,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:43:16,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:43:16,257 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 15:43:16,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:43:16,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:43:16,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:43:16,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:43:16,557 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:43:16,558 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-07-21 15:43:16,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfd180e2/2b33afa5d724433aa7836dc009fbf229/FLAG039126587 [2020-07-21 15:43:17,138 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:43:17,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-07-21 15:43:17,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfd180e2/2b33afa5d724433aa7836dc009fbf229/FLAG039126587 [2020-07-21 15:43:17,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfd180e2/2b33afa5d724433aa7836dc009fbf229 [2020-07-21 15:43:17,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:43:17,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:43:17,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:17,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:43:17,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:43:17,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:17" (1/1) ... [2020-07-21 15:43:17,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de71dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:17, skipping insertion in model container [2020-07-21 15:43:17,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:17" (1/1) ... [2020-07-21 15:43:17,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:43:17,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:43:18,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:18,017 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:43:18,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:18,138 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:43:18,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18 WrapperNode [2020-07-21 15:43:18,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:18,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:43:18,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:43:18,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:43:18,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (1/1) ... [2020-07-21 15:43:18,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (1/1) ... [2020-07-21 15:43:18,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (1/1) ... [2020-07-21 15:43:18,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (1/1) ... [2020-07-21 15:43:18,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (1/1) ... [2020-07-21 15:43:18,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (1/1) ... [2020-07-21 15:43:18,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (1/1) ... [2020-07-21 15:43:18,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:43:18,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:43:18,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:43:18,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:43:18,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (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 15:43:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:43:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:43:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:43:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:43:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:43:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:43:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:43:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:43:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:43:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:43:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:43:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:43:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:43:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:43:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:43:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:43:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:43:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:43:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:43:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:43:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:43:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:43:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:43:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:43:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:43:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:43:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:43:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:43:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:43:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:43:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:43:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:43:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:43:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:43:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:43:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:43:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:43:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:43:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:43:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:43:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:43:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:43:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:43:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:43:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:43:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:43:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:43:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:43:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:43:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:43:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:43:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:43:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:43:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:43:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:43:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:43:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:43:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:43:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:43:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:43:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:43:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:43:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:43:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:43:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:43:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:43:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:43:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:43:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:43:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:43:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:43:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:43:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:43:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:43:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:43:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:43:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:43:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:43:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:43:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:43:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:43:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:43:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:43:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:43:19,377 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:43:19,377 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:43:19,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:19 BoogieIcfgContainer [2020-07-21 15:43:19,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:43:19,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:43:19,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:43:19,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:43:19,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:43:17" (1/3) ... [2020-07-21 15:43:19,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf26d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:19, skipping insertion in model container [2020-07-21 15:43:19,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:18" (2/3) ... [2020-07-21 15:43:19,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf26d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:19, skipping insertion in model container [2020-07-21 15:43:19,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:19" (3/3) ... [2020-07-21 15:43:19,392 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-07-21 15:43:19,403 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:43:19,411 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:43:19,425 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:43:19,451 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:43:19,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:43:19,452 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:43:19,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:43:19,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:43:19,453 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:43:19,453 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:43:19,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:43:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-07-21 15:43:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 15:43:19,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:19,486 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:19,487 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:19,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:19,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1347369271, now seen corresponding path program 1 times [2020-07-21 15:43:19,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:19,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635151759] [2020-07-21 15:43:19,502 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 15:43:19,939 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:19,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:19,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:43:19,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:19,986 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 15:43:19,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:19,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635151759] [2020-07-21 15:43:19,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:19,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:43:19,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724243123] [2020-07-21 15:43:19,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:43:19,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:20,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:43:20,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:20,011 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2020-07-21 15:43:20,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:20,054 INFO L93 Difference]: Finished difference Result 290 states and 357 transitions. [2020-07-21 15:43:20,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:43:20,058 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 15:43:20,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:20,075 INFO L225 Difference]: With dead ends: 290 [2020-07-21 15:43:20,075 INFO L226 Difference]: Without dead ends: 147 [2020-07-21 15:43:20,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:20,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-21 15:43:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-07-21 15:43:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-21 15:43:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2020-07-21 15:43:20,139 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2020-07-21 15:43:20,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:20,140 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2020-07-21 15:43:20,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:43:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2020-07-21 15:43:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 15:43:20,144 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:20,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:20,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:20,362 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:20,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:20,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1814034675, now seen corresponding path program 1 times [2020-07-21 15:43:20,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:20,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148988209] [2020-07-21 15:43:20,364 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 15:43:20,741 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:20,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:20,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:20,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:20,802 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 15:43:20,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:20,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148988209] [2020-07-21 15:43:20,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:20,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:20,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119590931] [2020-07-21 15:43:20,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:20,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:20,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:20,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:20,810 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 3 states. [2020-07-21 15:43:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:20,860 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2020-07-21 15:43:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:20,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 15:43:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:20,864 INFO L225 Difference]: With dead ends: 235 [2020-07-21 15:43:20,865 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 15:43:20,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:20,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 15:43:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 15:43:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 15:43:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2020-07-21 15:43:20,899 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 60 [2020-07-21 15:43:20,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:20,900 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2020-07-21 15:43:20,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2020-07-21 15:43:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 15:43:20,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:20,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:21,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:21,123 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:21,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:21,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1518926539, now seen corresponding path program 1 times [2020-07-21 15:43:21,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:21,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388764384] [2020-07-21 15:43:21,125 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 15:43:21,424 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:21,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:21,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:21,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:21,461 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 15:43:21,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:21,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388764384] [2020-07-21 15:43:21,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:21,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:21,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753531137] [2020-07-21 15:43:21,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:21,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:21,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:21,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:21,464 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 3 states. [2020-07-21 15:43:21,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:21,483 INFO L93 Difference]: Finished difference Result 248 states and 293 transitions. [2020-07-21 15:43:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:21,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 15:43:21,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:21,486 INFO L225 Difference]: With dead ends: 248 [2020-07-21 15:43:21,486 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 15:43:21,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 15:43:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 15:43:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 15:43:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2020-07-21 15:43:21,501 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 65 [2020-07-21 15:43:21,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:21,503 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2020-07-21 15:43:21,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2020-07-21 15:43:21,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-21 15:43:21,505 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:21,505 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] [2020-07-21 15:43:21,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:21,720 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:21,720 INFO L82 PathProgramCache]: Analyzing trace with hash 793046871, now seen corresponding path program 1 times [2020-07-21 15:43:21,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:21,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983156769] [2020-07-21 15:43:21,721 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 15:43:22,072 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:22,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:22,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:43:22,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:22,155 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 15:43:22,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:22,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983156769] [2020-07-21 15:43:22,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:22,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 15:43:22,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326692068] [2020-07-21 15:43:22,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:43:22,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:22,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:43:22,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:22,167 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 7 states. [2020-07-21 15:43:22,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:22,970 INFO L93 Difference]: Finished difference Result 345 states and 423 transitions. [2020-07-21 15:43:22,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:43:22,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-21 15:43:22,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:22,974 INFO L225 Difference]: With dead ends: 345 [2020-07-21 15:43:22,975 INFO L226 Difference]: Without dead ends: 235 [2020-07-21 15:43:22,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:43:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-07-21 15:43:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 218. [2020-07-21 15:43:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-21 15:43:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 252 transitions. [2020-07-21 15:43:23,013 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 252 transitions. Word has length 78 [2020-07-21 15:43:23,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:23,013 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 252 transitions. [2020-07-21 15:43:23,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:43:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 252 transitions. [2020-07-21 15:43:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 15:43:23,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:23,016 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:23,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:23,217 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:23,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:23,218 INFO L82 PathProgramCache]: Analyzing trace with hash -357754488, now seen corresponding path program 1 times [2020-07-21 15:43:23,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:23,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436873533] [2020-07-21 15:43:23,219 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 15:43:23,484 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:23,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:23,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:23,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:23,535 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 15:43:23,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:23,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436873533] [2020-07-21 15:43:23,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:23,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:23,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863606956] [2020-07-21 15:43:23,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:23,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:23,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:23,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:23,538 INFO L87 Difference]: Start difference. First operand 218 states and 252 transitions. Second operand 6 states. [2020-07-21 15:43:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:23,576 INFO L93 Difference]: Finished difference Result 415 states and 497 transitions. [2020-07-21 15:43:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:43:23,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-21 15:43:23,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:23,581 INFO L225 Difference]: With dead ends: 415 [2020-07-21 15:43:23,581 INFO L226 Difference]: Without dead ends: 225 [2020-07-21 15:43:23,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:23,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-21 15:43:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-07-21 15:43:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-21 15:43:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 257 transitions. [2020-07-21 15:43:23,604 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 257 transitions. Word has length 108 [2020-07-21 15:43:23,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:23,605 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 257 transitions. [2020-07-21 15:43:23,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 257 transitions. [2020-07-21 15:43:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 15:43:23,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:23,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:23,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:23,821 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:23,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:23,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1570518214, now seen corresponding path program 1 times [2020-07-21 15:43:23,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:23,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121354974] [2020-07-21 15:43:23,823 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 15:43:24,035 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:24,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:24,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:43:24,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:24,083 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 15:43:24,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:24,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121354974] [2020-07-21 15:43:24,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:24,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:24,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671126946] [2020-07-21 15:43:24,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:24,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:24,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:24,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:24,086 INFO L87 Difference]: Start difference. First operand 223 states and 257 transitions. Second operand 5 states. [2020-07-21 15:43:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:24,107 INFO L93 Difference]: Finished difference Result 425 states and 507 transitions. [2020-07-21 15:43:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:24,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-21 15:43:24,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:24,109 INFO L225 Difference]: With dead ends: 425 [2020-07-21 15:43:24,109 INFO L226 Difference]: Without dead ends: 230 [2020-07-21 15:43:24,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:24,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-21 15:43:24,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2020-07-21 15:43:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-07-21 15:43:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 261 transitions. [2020-07-21 15:43:24,125 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 261 transitions. Word has length 108 [2020-07-21 15:43:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:24,126 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 261 transitions. [2020-07-21 15:43:24,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 261 transitions. [2020-07-21 15:43:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 15:43:24,128 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:24,128 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:24,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:24,343 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:24,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1329978085, now seen corresponding path program 1 times [2020-07-21 15:43:24,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:24,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810305039] [2020-07-21 15:43:24,345 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 15:43:24,576 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:24,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:24,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:43:24,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:24,617 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 15:43:24,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:24,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810305039] [2020-07-21 15:43:24,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:24,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:24,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450795298] [2020-07-21 15:43:24,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:24,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:24,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:24,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:24,619 INFO L87 Difference]: Start difference. First operand 227 states and 261 transitions. Second operand 3 states. [2020-07-21 15:43:24,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:24,682 INFO L93 Difference]: Finished difference Result 580 states and 707 transitions. [2020-07-21 15:43:24,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:24,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-21 15:43:24,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:24,686 INFO L225 Difference]: With dead ends: 580 [2020-07-21 15:43:24,686 INFO L226 Difference]: Without dead ends: 381 [2020-07-21 15:43:24,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:24,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-07-21 15:43:24,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2020-07-21 15:43:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-07-21 15:43:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 450 transitions. [2020-07-21 15:43:24,714 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 450 transitions. Word has length 108 [2020-07-21 15:43:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:24,715 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 450 transitions. [2020-07-21 15:43:24,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 450 transitions. [2020-07-21 15:43:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 15:43:24,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:24,717 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:24,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:24,933 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:24,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:24,934 INFO L82 PathProgramCache]: Analyzing trace with hash 825673247, now seen corresponding path program 1 times [2020-07-21 15:43:24,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:24,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480670939] [2020-07-21 15:43:24,935 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:25,267 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:25,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:25,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 15:43:25,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:25,384 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 15:43:25,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:25,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480670939] [2020-07-21 15:43:25,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:25,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 15:43:25,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393486663] [2020-07-21 15:43:25,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:25,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:25,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:25,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:25,386 INFO L87 Difference]: Start difference. First operand 378 states and 450 transitions. Second operand 10 states. [2020-07-21 15:43:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:26,925 INFO L93 Difference]: Finished difference Result 1036 states and 1411 transitions. [2020-07-21 15:43:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:43:26,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-21 15:43:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:26,931 INFO L225 Difference]: With dead ends: 1036 [2020-07-21 15:43:26,932 INFO L226 Difference]: Without dead ends: 686 [2020-07-21 15:43:26,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 15:43:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-07-21 15:43:26,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 513. [2020-07-21 15:43:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-07-21 15:43:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 616 transitions. [2020-07-21 15:43:26,975 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 616 transitions. Word has length 112 [2020-07-21 15:43:26,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:26,976 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 616 transitions. [2020-07-21 15:43:26,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:26,976 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 616 transitions. [2020-07-21 15:43:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 15:43:26,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:26,979 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:27,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:27,193 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:27,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:27,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1258980138, now seen corresponding path program 1 times [2020-07-21 15:43:27,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:27,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279059889] [2020-07-21 15:43:27,196 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:27,471 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:27,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:27,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:27,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:27,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:43:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-21 15:43:27,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279059889] [2020-07-21 15:43:27,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:43:27,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 15:43:27,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90904403] [2020-07-21 15:43:27,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:27,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:27,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:27,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:27,992 INFO L87 Difference]: Start difference. First operand 513 states and 616 transitions. Second operand 10 states. [2020-07-21 15:43:28,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:28,967 INFO L93 Difference]: Finished difference Result 1105 states and 1344 transitions. [2020-07-21 15:43:28,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:43:28,968 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-07-21 15:43:28,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:28,969 INFO L225 Difference]: With dead ends: 1105 [2020-07-21 15:43:28,969 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:43:28,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 15:43:28,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:43:28,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:43:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:43:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:43:28,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-21 15:43:28,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:28,973 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:43:28,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:43:28,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:43:29,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:29,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:43:30,426 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 15:43:30,748 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-21 15:43:31,147 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-07-21 15:43:31,417 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 15:43:31,682 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 15:43:31,811 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 15:43:31,989 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 15:43:32,642 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 15:43:32,827 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 15:43:32,953 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 15:43:33,348 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 15:43:33,718 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 15:43:33,723 INFO L268 CegarLoopResult]: For program point L280(lines 280 284) no Hoare annotation was computed. [2020-07-21 15:43:33,723 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 284) no Hoare annotation was computed. [2020-07-21 15:43:33,723 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 15:43:33,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 249 304) no Hoare annotation was computed. [2020-07-21 15:43:33,724 INFO L268 CegarLoopResult]: For program point L274-2(lines 274 295) no Hoare annotation was computed. [2020-07-21 15:43:33,724 INFO L268 CegarLoopResult]: For program point L296(lines 273 297) no Hoare annotation was computed. [2020-07-21 15:43:33,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 249 304) no Hoare annotation was computed. [2020-07-21 15:43:33,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 249 304) no Hoare annotation was computed. [2020-07-21 15:43:33,725 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-07-21 15:43:33,725 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-21 15:43:33,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 305 364) no Hoare annotation was computed. [2020-07-21 15:43:33,725 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-21 15:43:33,725 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 341) no Hoare annotation was computed. [2020-07-21 15:43:33,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 305 364) no Hoare annotation was computed. [2020-07-21 15:43:33,726 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-07-21 15:43:33,726 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 305 364) no Hoare annotation was computed. [2020-07-21 15:43:33,726 INFO L268 CegarLoopResult]: For program point L331-2(lines 331 356) no Hoare annotation was computed. [2020-07-21 15:43:33,726 INFO L268 CegarLoopResult]: For program point L357(lines 330 358) no Hoare annotation was computed. [2020-07-21 15:43:33,726 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 679 685) the Hoare annotation is: true [2020-07-21 15:43:33,727 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 679 685) no Hoare annotation was computed. [2020-07-21 15:43:33,727 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 686 694) no Hoare annotation was computed. [2020-07-21 15:43:33,728 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 686 694) the Hoare annotation is: true [2020-07-21 15:43:33,728 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 686 694) no Hoare annotation was computed. [2020-07-21 15:43:33,728 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-21 15:43:33,729 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:43:33,729 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:43:33,730 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:43:33,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-21 15:43:33,730 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-21 15:43:33,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-21 15:43:33,730 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-21 15:43:33,730 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 15:43:33,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-21 15:43:33,731 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-21 15:43:33,731 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-21 15:43:33,731 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:43:33,731 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-21 15:43:33,731 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-21 15:43:33,731 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-21 15:43:33,731 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-21 15:43:33,731 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-21 15:43:33,732 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,732 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,732 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-07-21 15:43:33,732 INFO L264 CegarLoopResult]: At program point L185-1(line 185) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,732 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-07-21 15:43:33,732 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-07-21 15:43:33,732 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 15:43:33,733 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,733 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,733 INFO L264 CegarLoopResult]: At program point L179-1(line 179) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,733 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-07-21 15:43:33,733 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-07-21 15:43:33,733 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-21 15:43:33,734 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-21 15:43:33,735 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:33,736 INFO L268 CegarLoopResult]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2020-07-21 15:43:33,736 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5))))) [2020-07-21 15:43:33,736 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:33,736 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-07-21 15:43:33,736 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:33,736 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:33,737 INFO L268 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-07-21 15:43:33,737 INFO L268 CegarLoopResult]: For program point L750(lines 750 767) no Hoare annotation was computed. [2020-07-21 15:43:33,737 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2020-07-21 15:43:33,737 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2020-07-21 15:43:33,737 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2020-07-21 15:43:33,737 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2020-07-21 15:43:33,738 INFO L268 CegarLoopResult]: For program point L857(lines 857 865) no Hoare annotation was computed. [2020-07-21 15:43:33,738 INFO L268 CegarLoopResult]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2020-07-21 15:43:33,738 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-21 15:43:33,739 INFO L268 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-07-21 15:43:33,739 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2020-07-21 15:43:33,739 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2020-07-21 15:43:33,739 INFO L268 CegarLoopResult]: For program point L869(lines 869 877) no Hoare annotation was computed. [2020-07-21 15:43:33,739 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2020-07-21 15:43:33,740 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2020-07-21 15:43:33,740 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 672 678) no Hoare annotation was computed. [2020-07-21 15:43:33,740 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 672 678) the Hoare annotation is: true [2020-07-21 15:43:33,740 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 203 248) no Hoare annotation was computed. [2020-07-21 15:43:33,740 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 203 248) no Hoare annotation was computed. [2020-07-21 15:43:33,740 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 203 248) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 516 561) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 516 561) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 516 561) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-07-21 15:43:33,741 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-07-21 15:43:33,742 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,742 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2020-07-21 15:43:33,742 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2020-07-21 15:43:33,742 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2020-07-21 15:43:33,742 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-21 15:43:33,742 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-21 15:43:33,742 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 15:43:33,743 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2020-07-21 15:43:33,743 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2020-07-21 15:43:33,743 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-21 15:43:33,743 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2020-07-21 15:43:33,743 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2020-07-21 15:43:33,743 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2020-07-21 15:43:33,743 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:33,744 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2020-07-21 15:43:33,744 INFO L268 CegarLoopResult]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2020-07-21 15:43:33,744 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:33,744 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:33,744 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:33,745 INFO L268 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2020-07-21 15:43:33,745 INFO L264 CegarLoopResult]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:33,745 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-21 15:43:33,745 INFO L268 CegarLoopResult]: For program point L776(lines 776 793) no Hoare annotation was computed. [2020-07-21 15:43:33,745 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2020-07-21 15:43:33,745 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2020-07-21 15:43:33,745 INFO L264 CegarLoopResult]: At program point L962-2(lines 954 967) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:33,746 INFO L264 CegarLoopResult]: At program point testENTRY(lines 914 979) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,746 INFO L268 CegarLoopResult]: For program point L925(lines 924 971) no Hoare annotation was computed. [2020-07-21 15:43:33,746 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:33,746 INFO L268 CegarLoopResult]: For program point L954(lines 954 967) no Hoare annotation was computed. [2020-07-21 15:43:33,746 INFO L268 CegarLoopResult]: For program point testFINAL(lines 914 979) no Hoare annotation was computed. [2020-07-21 15:43:33,747 INFO L264 CegarLoopResult]: At program point L946(line 946) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:33,747 INFO L268 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2020-07-21 15:43:33,747 INFO L268 CegarLoopResult]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2020-07-21 15:43:33,747 INFO L264 CegarLoopResult]: At program point L969(lines 924 971) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:33,747 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:33,747 INFO L268 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2020-07-21 15:43:33,747 INFO L268 CegarLoopResult]: For program point L934-1(lines 934 940) no Hoare annotation was computed. [2020-07-21 15:43:33,748 INFO L268 CegarLoopResult]: For program point L926(lines 926 930) no Hoare annotation was computed. [2020-07-21 15:43:33,748 INFO L264 CegarLoopResult]: At program point L972(lines 923 973) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:33,748 INFO L268 CegarLoopResult]: For program point testEXIT(lines 914 979) no Hoare annotation was computed. [2020-07-21 15:43:33,748 INFO L268 CegarLoopResult]: For program point L962(lines 962 966) no Hoare annotation was computed. [2020-07-21 15:43:33,748 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 470 515) no Hoare annotation was computed. [2020-07-21 15:43:33,748 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 470 515) no Hoare annotation was computed. [2020-07-21 15:43:33,748 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 470 515) no Hoare annotation was computed. [2020-07-21 15:43:33,748 INFO L268 CegarLoopResult]: For program point L490(lines 490 497) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point L484(lines 484 504) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point L484-1(lines 484 504) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 797 804) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-21 15:43:33,749 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2020-07-21 15:43:33,750 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-21 15:43:33,750 INFO L268 CegarLoopResult]: For program point L417(lines 416 436) no Hoare annotation was computed. [2020-07-21 15:43:33,750 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 15:43:33,750 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-07-21 15:43:33,750 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 367 469) no Hoare annotation was computed. [2020-07-21 15:43:33,750 INFO L268 CegarLoopResult]: For program point L413(lines 413 454) no Hoare annotation was computed. [2020-07-21 15:43:33,750 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-07-21 15:43:33,751 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-21 15:43:33,751 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-07-21 15:43:33,751 INFO L268 CegarLoopResult]: For program point L455(lines 455 466) no Hoare annotation was computed. [2020-07-21 15:43:33,751 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 367 469) no Hoare annotation was computed. [2020-07-21 15:43:33,751 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-07-21 15:43:33,751 INFO L268 CegarLoopResult]: For program point L416-2(lines 416 436) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point L437(lines 415 438) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 367 469) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point L396(lines 396 412) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point L456(lines 456 463) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 662 671) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 662 671) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 662 671) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:33,752 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 15:43:33,753 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:33,753 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:33,753 INFO L268 CegarLoopResult]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2020-07-21 15:43:33,753 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-07-21 15:43:33,753 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2020-07-21 15:43:33,753 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:33,753 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-07-21 15:43:33,754 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 805 821) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:33,754 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 637 645) the Hoare annotation is: true [2020-07-21 15:43:33,755 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2020-07-21 15:43:33,755 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2020-07-21 15:43:33,755 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2020-07-21 15:43:33,755 INFO L268 CegarLoopResult]: For program point L895(lines 895 899) no Hoare annotation was computed. [2020-07-21 15:43:33,755 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-07-21 15:43:33,755 INFO L268 CegarLoopResult]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2020-07-21 15:43:33,755 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-07-21 15:43:33,755 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2020-07-21 15:43:33,755 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2020-07-21 15:43:33,756 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: true [2020-07-21 15:43:33,756 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-21 15:43:33,756 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-21 15:43:33,756 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:33,756 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:43:33,756 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:33,756 INFO L264 CegarLoopResult]: At program point L727(line 727) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse2)))) [2020-07-21 15:43:33,757 INFO L264 CegarLoopResult]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse5 (<= 1 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse5)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and .cse4 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse11)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) (and .cse2 .cse4 .cse5) .cse6 .cse7)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse4 .cse3)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse8 .cse9 .cse10 .cse6) (or .cse0 .cse8 .cse9 .cse10 .cse6 .cse7)))) [2020-07-21 15:43:33,757 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:33,758 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 711 737) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 15:43:33,758 INFO L268 CegarLoopResult]: For program point L718(lines 714 736) no Hoare annotation was computed. [2020-07-21 15:43:33,758 INFO L268 CegarLoopResult]: For program point L716(lines 714 736) no Hoare annotation was computed. [2020-07-21 15:43:33,758 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 711 737) no Hoare annotation was computed. [2020-07-21 15:43:33,759 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 711 737) no Hoare annotation was computed. [2020-07-21 15:43:33,759 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-07-21 15:43:33,759 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-07-21 15:43:33,759 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-07-21 15:43:33,759 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 15:43:33,759 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-07-21 15:43:33,759 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-07-21 15:43:33,759 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-21 15:43:33,759 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-07-21 15:43:33,759 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-07-21 15:43:33,760 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-07-21 15:43:33,760 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2020-07-21 15:43:33,760 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2020-07-21 15:43:33,760 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2020-07-21 15:43:33,760 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:33,760 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-07-21 15:43:33,760 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-07-21 15:43:33,760 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-07-21 15:43:33,761 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-07-21 15:43:33,761 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:33,761 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:43:33,761 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:43:33,761 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:33,761 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 905 912) no Hoare annotation was computed. [2020-07-21 15:43:33,761 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 905 912) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-21 15:43:33,761 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 905 912) no Hoare annotation was computed. [2020-07-21 15:43:33,761 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-21 15:43:33,762 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-21 15:43:33,762 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 15:43:33,762 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 696 703) no Hoare annotation was computed. [2020-07-21 15:43:33,762 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2020-07-21 15:43:33,762 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 696 703) the Hoare annotation is: true [2020-07-21 15:43:33,762 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 696 703) no Hoare annotation was computed. [2020-07-21 15:43:33,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:43:33 BoogieIcfgContainer [2020-07-21 15:43:33,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:43:33,787 INFO L168 Benchmark]: Toolchain (without parser) took 16380.28 ms. Allocated memory was 145.2 MB in the beginning and 410.5 MB in the end (delta: 265.3 MB). Free memory was 103.8 MB in the beginning and 316.1 MB in the end (delta: -212.4 MB). Peak memory consumption was 242.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:33,789 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 15:43:33,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.56 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 103.4 MB in the beginning and 173.4 MB in the end (delta: -70.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:33,791 INFO L168 Benchmark]: Boogie Preprocessor took 86.68 ms. Allocated memory is still 204.5 MB. Free memory was 173.4 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:33,792 INFO L168 Benchmark]: RCFGBuilder took 1156.60 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 169.2 MB in the beginning and 191.8 MB in the end (delta: -22.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:33,793 INFO L168 Benchmark]: TraceAbstraction took 14402.00 ms. Allocated memory was 234.9 MB in the beginning and 410.5 MB in the end (delta: 175.6 MB). Free memory was 190.4 MB in the beginning and 316.1 MB in the end (delta: -125.7 MB). Peak memory consumption was 239.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:33,796 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.56 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 103.4 MB in the beginning and 173.4 MB in the end (delta: -70.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.68 ms. Allocated memory is still 204.5 MB. Free memory was 173.4 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1156.60 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 169.2 MB in the beginning and 191.8 MB in the end (delta: -22.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14402.00 ms. Allocated memory was 234.9 MB in the beginning and 410.5 MB in the end (delta: 175.6 MB). Free memory was 190.4 MB in the beginning and 316.1 MB in the end (delta: -125.7 MB). Peak memory consumption was 239.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: 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: 924]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1698 SDtfs, 1107 SDslu, 3250 SDs, 0 SdLazy, 2238 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 998 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=513occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 198 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1009 PreInvPairs, 1093 NumberOfFragments, 1779 HoareAnnotationTreeSize, 1009 FomulaSimplifications, 1396 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 66 FomulaSimplificationsInter, 7720 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 870 NumberOfCodeBlocks, 816 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1032 ConstructedInterpolants, 0 QuantifiedInterpolants, 236470 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7005 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 104/126 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...