/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:59:42,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:59:42,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:59:42,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:59:42,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:59:42,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:59:42,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:59:42,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:59:42,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:59:42,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:59:42,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:59:42,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:59:42,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:59:42,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:59:42,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:59:42,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:59:42,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:59:42,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:59:42,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:59:42,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:59:42,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:59:42,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:59:42,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:59:42,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:59:42,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:59:42,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:59:42,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:59:42,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:59:42,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:59:42,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:59:42,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:59:42,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:59:42,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:59:42,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:59:42,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:59:42,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:59:42,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:59:42,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:59:42,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:59:42,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:59:42,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:59:42,393 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 [2020-07-19 22:59:42,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:59:42,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:59:42,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:59:42,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:59:42,419 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:59:42,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:59:42,419 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:59:42,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:59:42,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:59:42,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:59:42,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:59:42,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:59:42,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:59:42,422 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:59:42,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:59:42,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:59:42,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:59:42,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:59:42,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:59:42,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:59:42,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:59:42,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:59:42,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:59:42,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:59:42,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:59:42,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:59:42,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:59:42,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:59:42,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:59:42,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:59:42,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:59:42,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:59:42,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:59:42,699 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:59:42,702 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:59:42,702 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-19 22:59:42,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b458911eb/05753fbe19484899b38ecfe1c365e181/FLAG99469e975 [2020-07-19 22:59:43,277 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:59:43,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-19 22:59:43,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b458911eb/05753fbe19484899b38ecfe1c365e181/FLAG99469e975 [2020-07-19 22:59:43,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b458911eb/05753fbe19484899b38ecfe1c365e181 [2020-07-19 22:59:43,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:59:43,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:59:43,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:43,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:59:43,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:59:43,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:43" (1/1) ... [2020-07-19 22:59:43,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e2e869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:43, skipping insertion in model container [2020-07-19 22:59:43,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:43" (1/1) ... [2020-07-19 22:59:43,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:59:43,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:59:43,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:43,996 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:59:44,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:44,269 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:59:44,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44 WrapperNode [2020-07-19 22:59:44,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:44,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:59:44,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:59:44,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:59:44,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (1/1) ... [2020-07-19 22:59:44,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (1/1) ... [2020-07-19 22:59:44,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (1/1) ... [2020-07-19 22:59:44,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (1/1) ... [2020-07-19 22:59:44,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (1/1) ... [2020-07-19 22:59:44,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (1/1) ... [2020-07-19 22:59:44,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (1/1) ... [2020-07-19 22:59:44,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:59:44,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:59:44,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:59:44,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:59:44,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (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 [2020-07-19 22:59:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:59:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:59:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:59:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:59:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:59:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:59:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:59:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:59:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:59:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:59:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:59:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:59:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:59:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:59:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:59:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:59:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:59:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:59:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:59:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:59:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:59:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:59:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:59:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:59:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:59:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:59:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:59:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:59:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:59:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:59:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:59:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:59:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:59:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:59:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:59:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:59:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:59:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:59:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:59:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:59:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:59:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:59:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:59:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:59:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:59:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:59:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:59:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:59:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:59:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:59:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:59:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:59:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:59:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:59:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:59:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:59:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:59:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:59:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:59:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:59:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:59:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:59:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:59:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:59:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:59:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:59:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:59:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:59:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:59:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:59:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:59:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:59:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:59:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:59:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:59:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:59:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:59:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:59:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:59:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:59:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:59:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:59:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:59:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:59:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:59:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:59:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:59:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:59:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:59:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:59:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:59:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:59:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:59:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:59:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:59:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:59:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:59:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:59:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:59:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:59:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:59:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:59:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:59:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:59:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:59:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:59:45,720 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:59:45,720 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:59:45,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:45 BoogieIcfgContainer [2020-07-19 22:59:45,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:59:45,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:59:45,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:59:45,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:59:45,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:59:43" (1/3) ... [2020-07-19 22:59:45,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55df6f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:45, skipping insertion in model container [2020-07-19 22:59:45,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:44" (2/3) ... [2020-07-19 22:59:45,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55df6f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:45, skipping insertion in model container [2020-07-19 22:59:45,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:45" (3/3) ... [2020-07-19 22:59:45,733 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-19 22:59:45,743 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:59:45,751 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:59:45,764 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:59:45,789 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:59:45,789 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:59:45,790 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:59:45,790 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:59:45,790 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:59:45,791 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:59:45,791 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:59:45,791 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:59:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-07-19 22:59:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:59:45,825 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:45,826 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] [2020-07-19 22:59:45,827 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:45,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:45,833 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-07-19 22:59:45,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:45,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878487779] [2020-07-19 22:59:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 22:59:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,451 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:46,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878487779] [2020-07-19 22:59:46,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:46,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:59:46,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387785443] [2020-07-19 22:59:46,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:59:46,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:46,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:59:46,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:59:46,596 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2020-07-19 22:59:47,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:47,912 INFO L93 Difference]: Finished difference Result 382 states and 489 transitions. [2020-07-19 22:59:47,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:59:47,915 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:59:47,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:47,928 INFO L225 Difference]: With dead ends: 382 [2020-07-19 22:59:47,928 INFO L226 Difference]: Without dead ends: 210 [2020-07-19 22:59:47,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:59:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-07-19 22:59:48,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 173. [2020-07-19 22:59:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-19 22:59:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-07-19 22:59:48,026 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-07-19 22:59:48,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:48,027 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-07-19 22:59:48,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:59:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-07-19 22:59:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:59:48,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:48,032 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] [2020-07-19 22:59:48,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:59:48,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:48,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:48,033 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-07-19 22:59:48,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:48,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849072224] [2020-07-19 22:59:48,034 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 22:59:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,327 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:48,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849072224] [2020-07-19 22:59:48,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:48,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:59:48,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080983248] [2020-07-19 22:59:48,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:59:48,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:48,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:59:48,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:59:48,392 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 5 states. [2020-07-19 22:59:48,927 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:50,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:50,109 INFO L93 Difference]: Finished difference Result 317 states and 389 transitions. [2020-07-19 22:59:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:59:50,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:59:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:50,114 INFO L225 Difference]: With dead ends: 317 [2020-07-19 22:59:50,115 INFO L226 Difference]: Without dead ends: 200 [2020-07-19 22:59:50,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:59:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-19 22:59:50,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-07-19 22:59:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-19 22:59:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-07-19 22:59:50,165 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-07-19 22:59:50,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:50,165 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-07-19 22:59:50,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:59:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-07-19 22:59:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:59:50,168 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:50,168 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] [2020-07-19 22:59:50,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:59:50,169 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:50,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:50,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-07-19 22:59:50,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:50,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253855552] [2020-07-19 22:59:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 22:59:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,493 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:50,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253855552] [2020-07-19 22:59:50,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:50,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:50,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391891168] [2020-07-19 22:59:50,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:50,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:50,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:50,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:50,623 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 9 states. [2020-07-19 22:59:51,032 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:51,339 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:51,592 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:51,821 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:52,672 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:54,910 INFO L93 Difference]: Finished difference Result 549 states and 680 transitions. [2020-07-19 22:59:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:59:54,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 22:59:54,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:54,916 INFO L225 Difference]: With dead ends: 549 [2020-07-19 22:59:54,916 INFO L226 Difference]: Without dead ends: 413 [2020-07-19 22:59:54,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:59:54,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-07-19 22:59:55,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 344. [2020-07-19 22:59:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-07-19 22:59:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 418 transitions. [2020-07-19 22:59:55,010 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 418 transitions. Word has length 65 [2020-07-19 22:59:55,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:55,010 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 418 transitions. [2020-07-19 22:59:55,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 418 transitions. [2020-07-19 22:59:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 22:59:55,014 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:55,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:55,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:59:55,015 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:55,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:55,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-07-19 22:59:55,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:55,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171899456] [2020-07-19 22:59:55,016 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 22:59:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,343 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:59:55,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171899456] [2020-07-19 22:59:55,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:55,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:55,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270526466] [2020-07-19 22:59:55,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:55,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:55,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:55,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:55,436 INFO L87 Difference]: Start difference. First operand 344 states and 418 transitions. Second operand 9 states. [2020-07-19 22:59:55,864 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:56,523 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:57,474 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:57,698 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:57,991 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:58,284 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:59,192 INFO L93 Difference]: Finished difference Result 891 states and 1152 transitions. [2020-07-19 22:59:59,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:59:59,193 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 22:59:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:59,198 INFO L225 Difference]: With dead ends: 891 [2020-07-19 22:59:59,198 INFO L226 Difference]: Without dead ends: 575 [2020-07-19 22:59:59,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:59:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-07-19 22:59:59,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 507. [2020-07-19 22:59:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-07-19 22:59:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 605 transitions. [2020-07-19 22:59:59,315 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 605 transitions. Word has length 70 [2020-07-19 22:59:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:59,315 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 605 transitions. [2020-07-19 22:59:59,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 605 transitions. [2020-07-19 22:59:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-19 22:59:59,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:59,320 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:59,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:59:59,320 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:59,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:59,321 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-07-19 22:59:59,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:59,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141969557] [2020-07-19 22:59:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 22:59:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,609 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:59,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141969557] [2020-07-19 22:59:59,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:59,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:59,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908517201] [2020-07-19 22:59:59,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:59,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:59,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:59,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:59,795 INFO L87 Difference]: Start difference. First operand 507 states and 605 transitions. Second operand 9 states. [2020-07-19 23:00:01,015 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:01,252 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:01,520 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:01,755 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:02,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:02,650 INFO L93 Difference]: Finished difference Result 1079 states and 1378 transitions. [2020-07-19 23:00:02,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 23:00:02,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-07-19 23:00:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:02,662 INFO L225 Difference]: With dead ends: 1079 [2020-07-19 23:00:02,662 INFO L226 Difference]: Without dead ends: 600 [2020-07-19 23:00:02,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 23:00:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-07-19 23:00:02,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 520. [2020-07-19 23:00:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-07-19 23:00:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2020-07-19 23:00:02,755 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 113 [2020-07-19 23:00:02,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:02,756 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2020-07-19 23:00:02,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 23:00:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2020-07-19 23:00:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-19 23:00:02,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:02,759 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, 1] [2020-07-19 23:00:02,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 23:00:02,759 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:02,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:02,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-07-19 23:00:02,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:02,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951162960] [2020-07-19 23:00:02,760 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:00:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,044 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 23:00:03,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951162960] [2020-07-19 23:00:03,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:00:03,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 23:00:03,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051353507] [2020-07-19 23:00:03,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 23:00:03,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:03,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 23:00:03,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 23:00:03,261 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 11 states. [2020-07-19 23:00:03,818 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:04,058 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:04,294 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:05,152 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:05,415 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:05,674 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:06,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:06,846 INFO L93 Difference]: Finished difference Result 1102 states and 1402 transitions. [2020-07-19 23:00:06,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 23:00:06,847 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-07-19 23:00:06,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:06,851 INFO L225 Difference]: With dead ends: 1102 [2020-07-19 23:00:06,852 INFO L226 Difference]: Without dead ends: 610 [2020-07-19 23:00:06,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 23:00:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-07-19 23:00:06,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 528. [2020-07-19 23:00:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-07-19 23:00:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 627 transitions. [2020-07-19 23:00:06,952 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 627 transitions. Word has length 113 [2020-07-19 23:00:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:06,953 INFO L479 AbstractCegarLoop]: Abstraction has 528 states and 627 transitions. [2020-07-19 23:00:06,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 23:00:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 627 transitions. [2020-07-19 23:00:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-19 23:00:06,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:06,959 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, 1] [2020-07-19 23:00:06,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 23:00:06,959 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:06,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:06,960 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-07-19 23:00:06,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:06,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302260682] [2020-07-19 23:00:06,960 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:00:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,230 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 23:00:07,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302260682] [2020-07-19 23:00:07,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:00:07,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:00:07,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987863884] [2020-07-19 23:00:07,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:00:07,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:07,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:00:07,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:00:07,365 INFO L87 Difference]: Start difference. First operand 528 states and 627 transitions. Second operand 7 states. [2020-07-19 23:00:07,834 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:09,166 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:11,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:11,735 INFO L93 Difference]: Finished difference Result 1837 states and 2447 transitions. [2020-07-19 23:00:11,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 23:00:11,736 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-07-19 23:00:11,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:11,747 INFO L225 Difference]: With dead ends: 1837 [2020-07-19 23:00:11,748 INFO L226 Difference]: Without dead ends: 1337 [2020-07-19 23:00:11,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-19 23:00:11,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-07-19 23:00:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1190. [2020-07-19 23:00:12,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2020-07-19 23:00:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1478 transitions. [2020-07-19 23:00:12,014 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1478 transitions. Word has length 113 [2020-07-19 23:00:12,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:12,015 INFO L479 AbstractCegarLoop]: Abstraction has 1190 states and 1478 transitions. [2020-07-19 23:00:12,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:00:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1478 transitions. [2020-07-19 23:00:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-19 23:00:12,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:12,023 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, 1, 1, 1, 1, 1] [2020-07-19 23:00:12,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 23:00:12,024 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:12,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:12,024 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-07-19 23:00:12,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:12,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707240428] [2020-07-19 23:00:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:00:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,385 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 23:00:12,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707240428] [2020-07-19 23:00:12,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:00:12,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 23:00:12,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643085771] [2020-07-19 23:00:12,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 23:00:12,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:12,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 23:00:12,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 23:00:12,564 INFO L87 Difference]: Start difference. First operand 1190 states and 1478 transitions. Second operand 12 states. [2020-07-19 23:00:13,005 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:13,690 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:14,350 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:14,694 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:14,930 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:15,202 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:15,474 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:17,772 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:18,075 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:18,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:18,851 INFO L93 Difference]: Finished difference Result 3677 states and 4769 transitions. [2020-07-19 23:00:18,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 23:00:18,851 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-07-19 23:00:18,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:18,865 INFO L225 Difference]: With dead ends: 3677 [2020-07-19 23:00:18,866 INFO L226 Difference]: Without dead ends: 2515 [2020-07-19 23:00:18,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 23:00:18,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2020-07-19 23:00:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2113. [2020-07-19 23:00:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2113 states. [2020-07-19 23:00:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2574 transitions. [2020-07-19 23:00:19,337 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2574 transitions. Word has length 117 [2020-07-19 23:00:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:19,340 INFO L479 AbstractCegarLoop]: Abstraction has 2113 states and 2574 transitions. [2020-07-19 23:00:19,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 23:00:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2574 transitions. [2020-07-19 23:00:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-19 23:00:19,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:19,345 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:00:19,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 23:00:19,345 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:19,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:19,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-07-19 23:00:19,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:19,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963688681] [2020-07-19 23:00:19,346 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:00:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,660 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-19 23:00:20,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963688681] [2020-07-19 23:00:20,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924017820] [2020-07-19 23:00:20,008 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@12910886 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:20,584 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@12910886 issued 4 check-sat command(s) [2020-07-19 23:00:20,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:20,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 23:00:20,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:00:20,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:00:20,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 23:00:20,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988286784] [2020-07-19 23:00:20,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 23:00:20,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:20,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 23:00:20,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-19 23:00:20,800 INFO L87 Difference]: Start difference. First operand 2113 states and 2574 transitions. Second operand 20 states. [2020-07-19 23:00:21,458 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:21,788 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:22,097 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:22,340 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:23,038 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:23,335 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:23,664 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:23,940 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:25,499 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:26,363 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 23:00:26,852 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 23:00:27,211 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:27,763 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:28,165 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:28,954 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:29,438 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 23:00:30,296 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 23:00:31,247 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:31,976 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 23:00:32,537 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 23:00:32,783 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:33,043 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:33,297 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:33,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:33,674 INFO L93 Difference]: Finished difference Result 4747 states and 5914 transitions. [2020-07-19 23:00:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-19 23:00:33,675 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 195 [2020-07-19 23:00:33,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:33,690 INFO L225 Difference]: With dead ends: 4747 [2020-07-19 23:00:33,690 INFO L226 Difference]: Without dead ends: 2662 [2020-07-19 23:00:33,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=851, Invalid=3309, Unknown=0, NotChecked=0, Total=4160 [2020-07-19 23:00:33,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2020-07-19 23:00:34,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2381. [2020-07-19 23:00:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2381 states. [2020-07-19 23:00:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 2812 transitions. [2020-07-19 23:00:34,270 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 2812 transitions. Word has length 195 [2020-07-19 23:00:34,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:34,271 INFO L479 AbstractCegarLoop]: Abstraction has 2381 states and 2812 transitions. [2020-07-19 23:00:34,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 23:00:34,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2812 transitions. [2020-07-19 23:00:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-07-19 23:00:34,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:34,283 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-19 23:00:34,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 23:00:34,497 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:34,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:34,497 INFO L82 PathProgramCache]: Analyzing trace with hash 905718191, now seen corresponding path program 1 times [2020-07-19 23:00:34,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:34,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636550260] [2020-07-19 23:00:34,498 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:00:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:34,977 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 80 proven. 7 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-07-19 23:00:35,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636550260] [2020-07-19 23:00:35,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123570414] [2020-07-19 23:00:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@11b552b7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:35,997 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@11b552b7 issued 3 check-sat command(s) [2020-07-19 23:00:35,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:36,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 23:00:36,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 243 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-07-19 23:00:36,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:00:36,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-07-19 23:00:36,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687909447] [2020-07-19 23:00:36,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 23:00:36,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:36,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 23:00:36,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-19 23:00:36,333 INFO L87 Difference]: Start difference. First operand 2381 states and 2812 transitions. Second operand 24 states. [2020-07-19 23:00:37,027 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:37,914 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:38,307 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:38,838 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:39,697 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:40,047 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:40,399 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:40,687 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:40,971 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:41,312 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:41,599 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:41,858 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:42,147 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:42,424 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:42,676 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:42,978 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:43,392 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:43,693 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:44,035 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:44,363 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:45,657 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:46,195 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:46,580 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:47,035 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:47,478 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:47,771 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:48,091 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:48,443 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:48,918 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:49,340 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:51,359 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:51,656 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:51,926 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:52,218 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:52,491 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:52,995 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-07-19 23:00:53,272 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:53,550 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:53,901 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:54,191 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-19 23:01:00,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:01:00,827 INFO L93 Difference]: Finished difference Result 9600 states and 13457 transitions. [2020-07-19 23:01:00,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2020-07-19 23:01:00,827 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 335 [2020-07-19 23:01:00,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:01:00,872 INFO L225 Difference]: With dead ends: 9600 [2020-07-19 23:01:00,872 INFO L226 Difference]: Without dead ends: 7255 [2020-07-19 23:01:00,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4890 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=1934, Invalid=11872, Unknown=0, NotChecked=0, Total=13806 [2020-07-19 23:01:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7255 states. [2020-07-19 23:01:02,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7255 to 4995. [2020-07-19 23:01:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4995 states. [2020-07-19 23:01:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 4995 states and 5768 transitions. [2020-07-19 23:01:02,104 INFO L78 Accepts]: Start accepts. Automaton has 4995 states and 5768 transitions. Word has length 335 [2020-07-19 23:01:02,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:01:02,105 INFO L479 AbstractCegarLoop]: Abstraction has 4995 states and 5768 transitions. [2020-07-19 23:01:02,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 23:01:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 5768 transitions. [2020-07-19 23:01:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-19 23:01:02,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:01:02,125 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-19 23:01:02,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 23:01:02,341 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:01:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:01:02,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1265210463, now seen corresponding path program 1 times [2020-07-19 23:01:02,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:01:02,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959051357] [2020-07-19 23:01:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:01:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,676 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:01:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 94 proven. 48 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-07-19 23:01:03,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959051357] [2020-07-19 23:01:03,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20592123] [2020-07-19 23:01:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e9e0f21 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:01:03,685 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e9e0f21 issued 3 check-sat command(s) [2020-07-19 23:01:03,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:01:03,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-19 23:01:03,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:01:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-19 23:01:03,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:01:03,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-19 23:01:03,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813188622] [2020-07-19 23:01:03,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-19 23:01:03,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:01:03,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-19 23:01:03,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-07-19 23:01:03,911 INFO L87 Difference]: Start difference. First operand 4995 states and 5768 transitions. Second operand 23 states. [2020-07-19 23:01:04,739 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 23:01:05,301 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:01:05,796 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:01:06,260 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:01:07,331 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:01:09,026 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:01:09,505 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:01:09,922 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:01:10,903 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:01:12,218 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:01:12,472 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:01:13,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:01:13,935 INFO L93 Difference]: Finished difference Result 11043 states and 13589 transitions. [2020-07-19 23:01:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 23:01:13,935 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 351 [2020-07-19 23:01:13,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:01:13,968 INFO L225 Difference]: With dead ends: 11043 [2020-07-19 23:01:13,968 INFO L226 Difference]: Without dead ends: 6112 [2020-07-19 23:01:13,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=551, Invalid=2419, Unknown=0, NotChecked=0, Total=2970 [2020-07-19 23:01:13,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6112 states. [2020-07-19 23:01:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6112 to 4999. [2020-07-19 23:01:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4999 states. [2020-07-19 23:01:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 5756 transitions. [2020-07-19 23:01:15,131 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 5756 transitions. Word has length 351 [2020-07-19 23:01:15,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:01:15,132 INFO L479 AbstractCegarLoop]: Abstraction has 4999 states and 5756 transitions. [2020-07-19 23:01:15,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-19 23:01:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 5756 transitions. [2020-07-19 23:01:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-07-19 23:01:15,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:01:15,151 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-19 23:01:15,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 23:01:15,365 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:01:15,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:01:15,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1607737082, now seen corresponding path program 1 times [2020-07-19 23:01:15,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:01:15,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704099443] [2020-07-19 23:01:15,366 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:01:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,729 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:01:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-07-19 23:01:16,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704099443] [2020-07-19 23:01:16,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460981834] [2020-07-19 23:01:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f526d95 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:01:16,857 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f526d95 issued 3 check-sat command(s) [2020-07-19 23:01:16,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:01:16,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 23:01:16,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:01:17,095 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 23:01:17,095 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:01:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 279 proven. 26 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-19 23:01:17,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:01:17,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 27 [2020-07-19 23:01:17,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123896742] [2020-07-19 23:01:17,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-19 23:01:17,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:01:17,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-19 23:01:17,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2020-07-19 23:01:17,221 INFO L87 Difference]: Start difference. First operand 4999 states and 5756 transitions. Second operand 27 states. [2020-07-19 23:01:17,934 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:01:18,289 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:18,554 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:18,803 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:19,736 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:01:21,292 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:01:21,857 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:01:23,177 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:01:23,794 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:01:24,236 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:01:24,688 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:01:25,258 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:01:25,668 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:01:26,406 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:27,040 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:29,579 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:29,878 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:30,134 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:30,404 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:30,720 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:30,991 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:01:31,442 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:01:31,849 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:01:32,141 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:01:32,699 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:32,990 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:01:33,333 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:01:33,810 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-19 23:01:34,108 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:01:34,619 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:35,291 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:01:42,715 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-19 23:01:43,396 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-19 23:01:43,980 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-19 23:01:45,392 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:46,121 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:48,568 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-19 23:01:49,170 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-19 23:01:49,660 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-19 23:01:50,242 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:50,744 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:01:52,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:01:52,629 INFO L93 Difference]: Finished difference Result 14631 states and 18304 transitions. [2020-07-19 23:01:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2020-07-19 23:01:52,629 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 352 [2020-07-19 23:01:52,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:01:52,676 INFO L225 Difference]: With dead ends: 14631 [2020-07-19 23:01:52,676 INFO L226 Difference]: Without dead ends: 9649 [2020-07-19 23:01:52,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 507 SyntacticMatches, 5 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6193 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=2496, Invalid=15060, Unknown=0, NotChecked=0, Total=17556 [2020-07-19 23:01:52,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9649 states. [2020-07-19 23:01:54,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9649 to 7285. [2020-07-19 23:01:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7285 states. [2020-07-19 23:01:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7285 states to 7285 states and 8375 transitions. [2020-07-19 23:01:54,173 INFO L78 Accepts]: Start accepts. Automaton has 7285 states and 8375 transitions. Word has length 352 [2020-07-19 23:01:54,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:01:54,174 INFO L479 AbstractCegarLoop]: Abstraction has 7285 states and 8375 transitions. [2020-07-19 23:01:54,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-19 23:01:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 7285 states and 8375 transitions. [2020-07-19 23:01:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-07-19 23:01:54,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:01:54,196 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-19 23:01:54,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:01:54,410 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:01:54,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:01:54,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1968292702, now seen corresponding path program 1 times [2020-07-19 23:01:54,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:01:54,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173603523] [2020-07-19 23:01:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20b42778 [2020-07-19 23:01:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,708 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:01:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 81 proven. 9 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-07-19 23:01:55,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173603523] [2020-07-19 23:01:55,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835771706] [2020-07-19 23:01:55,086 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@23c2c8d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:01:55,480 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@23c2c8d issued 3 check-sat command(s) [2020-07-19 23:01:55,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:01:55,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 23:01:55,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:01:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-07-19 23:01:55,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:01:55,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2020-07-19 23:01:55,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904826892] [2020-07-19 23:01:55,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 23:01:55,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:01:55,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 23:01:55,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-19 23:01:55,675 INFO L87 Difference]: Start difference. First operand 7285 states and 8375 transitions. Second operand 6 states. [2020-07-19 23:01:56,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:01:56,021 INFO L93 Difference]: Finished difference Result 9017 states and 10260 transitions. [2020-07-19 23:01:56,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 23:01:56,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 356 [2020-07-19 23:01:56,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:01:56,024 INFO L225 Difference]: With dead ends: 9017 [2020-07-19 23:01:56,024 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:01:56,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 479 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-19 23:01:56,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:01:56,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:01:56,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:01:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:01:56,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 356 [2020-07-19 23:01:56,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:01:56,046 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:01:56,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 23:01:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:01:56,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:01:56,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 23:01:56,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:01:56,379 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-07-19 23:01:56,594 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-07-19 23:01:56,927 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-07-19 23:01:57,201 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-19 23:01:57,341 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-07-19 23:01:57,617 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-07-19 23:01:57,849 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-19 23:01:57,955 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-07-19 23:01:58,151 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-07-19 23:01:58,979 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2020-07-19 23:02:00,588 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-07-19 23:02:00,818 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-07-19 23:02:03,387 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 707 DAG size of output: 533 [2020-07-19 23:02:03,971 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-07-19 23:02:06,198 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 226 [2020-07-19 23:02:07,990 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-07-19 23:02:08,761 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-07-19 23:02:08,925 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-19 23:02:10,203 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 527 DAG size of output: 407 [2020-07-19 23:02:11,366 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-07-19 23:02:16,211 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 606 DAG size of output: 496 [2020-07-19 23:02:18,598 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 398 [2020-07-19 23:02:19,729 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 361 [2020-07-19 23:02:20,718 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 331 [2020-07-19 23:02:21,390 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 230 [2020-07-19 23:02:23,199 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 222 DAG size of output: 37 [2020-07-19 23:02:23,640 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-07-19 23:02:23,899 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-19 23:02:24,261 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 23:02:25,278 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 218 DAG size of output: 29 [2020-07-19 23:02:26,253 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 53 [2020-07-19 23:02:26,425 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 23:02:27,252 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 29 [2020-07-19 23:02:27,555 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 23:02:28,993 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 221 DAG size of output: 37 [2020-07-19 23:02:29,955 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 37 [2020-07-19 23:02:30,158 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:02:34,015 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 443 DAG size of output: 42 [2020-07-19 23:02:34,203 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-19 23:02:34,432 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 31 [2020-07-19 23:02:35,067 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 32 [2020-07-19 23:02:35,326 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 23:02:37,711 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 372 DAG size of output: 54 [2020-07-19 23:02:38,793 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 366 DAG size of output: 1 [2020-07-19 23:02:40,184 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 297 DAG size of output: 37 [2020-07-19 23:02:41,015 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 34 [2020-07-19 23:02:41,596 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 23 [2020-07-19 23:02:42,780 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 237 DAG size of output: 36 [2020-07-19 23:02:44,834 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 316 DAG size of output: 44 [2020-07-19 23:02:47,011 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 361 DAG size of output: 41 [2020-07-19 23:02:47,182 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 23:02:48,283 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-19 23:02:48,889 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 43 [2020-07-19 23:02:49,952 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 216 DAG size of output: 36 [2020-07-19 23:02:50,888 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 50 [2020-07-19 23:02:51,757 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 39 [2020-07-19 23:02:53,153 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 222 DAG size of output: 37 [2020-07-19 23:02:53,326 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 23:02:53,971 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 30 [2020-07-19 23:02:54,158 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-19 23:02:54,345 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-19 23:02:55,389 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 213 DAG size of output: 41 [2020-07-19 23:02:55,540 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-19 23:02:55,736 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-19 23:02:56,383 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 23 [2020-07-19 23:02:57,214 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 46 [2020-07-19 23:02:57,474 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 23:03:00,839 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 409 DAG size of output: 40 [2020-07-19 23:03:01,285 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 25 [2020-07-19 23:03:01,458 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-07-19 23:03:02,169 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 33 [2020-07-19 23:03:02,555 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-07-19 23:03:02,812 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-19 23:03:03,065 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-19 23:03:03,251 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-19 23:03:03,405 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-19 23:03:05,350 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 304 DAG size of output: 41 [2020-07-19 23:03:05,972 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-19 23:03:07,047 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-07-19 23:03:09,479 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 283 DAG size of output: 42 [2020-07-19 23:03:10,438 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 36 [2020-07-19 23:03:11,274 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 34 [2020-07-19 23:03:11,447 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 23:03:12,373 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 39 [2020-07-19 23:03:12,574 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-19 23:03:13,646 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 216 DAG size of output: 36 [2020-07-19 23:03:15,046 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 251 DAG size of output: 52 [2020-07-19 23:03:15,247 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-19 23:03:15,252 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-19 23:03:15,252 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2020-07-19 23:03:15,252 INFO L268 CegarLoopResult]: For program point L787(lines 764 788) no Hoare annotation was computed. [2020-07-19 23:03:15,252 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2020-07-19 23:03:15,252 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2020-07-19 23:03:15,253 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-19 23:03:15,253 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2020-07-19 23:03:15,253 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-19 23:03:15,253 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-19 23:03:15,253 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2020-07-19 23:03:15,253 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-19 23:03:15,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2020-07-19 23:03:15,254 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2020-07-19 23:03:15,254 INFO L268 CegarLoopResult]: For program point L848(lines 821 849) no Hoare annotation was computed. [2020-07-19 23:03:15,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2020-07-19 23:03:15,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2020-07-19 23:03:15,254 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-19 23:03:15,255 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-19 23:03:15,255 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2020-07-19 23:03:15,255 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-19 23:03:15,255 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2020-07-19 23:03:15,255 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2020-07-19 23:03:15,255 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2020-07-19 23:03:15,256 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 23:03:15,256 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-19 23:03:15,256 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-19 23:03:15,256 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (< 1 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse4 .cse7) (or .cse0 .cse2 .cse3 .cse4 .cse7) (or .cse8 .cse3 .cse4 .cse7) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse8 .cse4 .cse7))) [2020-07-19 23:03:15,256 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-19 23:03:15,256 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-19 23:03:15,256 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-19 23:03:15,256 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-19 23:03:15,257 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= ~waterLevel~0 2)) (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) (or .cse1 .cse0 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse2))) [2020-07-19 23:03:15,257 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-19 23:03:15,257 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-19 23:03:15,257 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-19 23:03:15,257 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse5 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= ~waterLevel~0 2)) (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) (or .cse1 .cse0 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse5 .cse2) (or .cse4 .cse5 .cse0 .cse2))) [2020-07-19 23:03:15,257 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-19 23:03:15,257 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-19 23:03:15,258 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-19 23:03:15,258 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-19 23:03:15,258 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-19 23:03:15,258 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 620 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:03:15,258 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2020-07-19 23:03:15,258 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:03:15,258 INFO L264 CegarLoopResult]: At program point L632-1(line 632) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:03:15,258 INFO L268 CegarLoopResult]: For program point L630(lines 630 637) no Hoare annotation was computed. [2020-07-19 23:03:15,259 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2020-07-19 23:03:15,259 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-19 23:03:15,259 INFO L264 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:03:15,259 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:03:15,259 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:03:15,259 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2020-07-19 23:03:15,259 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 23:03:15,260 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 23:03:15,261 INFO L268 CegarLoopResult]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2020-07-19 23:03:15,262 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse3) (or .cse6 .cse0 .cse1 .cse2) (or .cse7 .cse2 .cse1 .cse3) (or .cse6 .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse2 .cse1))) [2020-07-19 23:03:15,262 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse4 .cse7 .cse5) (or .cse6 .cse0 .cse4 .cse7) (or .cse8 .cse7 .cse4 .cse5) (or .cse6 .cse8 .cse7 .cse4))) [2020-07-19 23:03:15,262 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-19 23:03:15,262 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6) (or .cse8 .cse6 .cse5 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse0 .cse8 .cse6 .cse5))) [2020-07-19 23:03:15,262 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-19 23:03:15,262 INFO L268 CegarLoopResult]: For program point L243(lines 243 260) no Hoare annotation was computed. [2020-07-19 23:03:15,263 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse9 .cse2 .cse3))) [2020-07-19 23:03:15,263 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2020-07-19 23:03:15,263 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse2 .cse4) (or .cse8 .cse5 .cse6 .cse7 .cse2) (or .cse8 .cse5 .cse2 .cse1 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4))) [2020-07-19 23:03:15,263 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2020-07-19 23:03:15,263 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse8 (= 2 ~waterLevel~0))) (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not .cse8)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 |old(~systemActive~0)|)) (.cse7 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) .cse8 (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0))) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse0 .cse1) (or .cse5 .cse1 .cse2) (or .cse4 .cse5 .cse2 .cse6 .cse7)))) [2020-07-19 23:03:15,264 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse9 (= |old(~systemActive~0)| ~systemActive~0)) (.cse10 (= 2 ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not .cse10)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~systemActive~0)|)) (.cse6 (and .cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) .cse10 (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse9 (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse7 .cse2) (or .cse8 .cse1 .cse7 .cse2) (or .cse3 .cse4 .cse7 .cse5 .cse6) (or .cse0 .cse8 .cse1 .cse2)))) [2020-07-19 23:03:15,264 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-19 23:03:15,264 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2020-07-19 23:03:15,264 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2020-07-19 23:03:15,264 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2020-07-19 23:03:15,264 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2020-07-19 23:03:15,264 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2020-07-19 23:03:15,264 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-19 23:03:15,264 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point L350(lines 350 358) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2020-07-19 23:03:15,265 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2020-07-19 23:03:15,266 INFO L268 CegarLoopResult]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2020-07-19 23:03:15,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2020-07-19 23:03:15,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2020-07-19 23:03:15,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2020-07-19 23:03:15,267 INFO L268 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-07-19 23:03:15,267 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 606 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:03:15,267 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2020-07-19 23:03:15,267 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2020-07-19 23:03:15,267 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:03:15,268 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2020-07-19 23:03:15,268 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2020-07-19 23:03:15,268 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-19 23:03:15,268 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-07-19 23:03:15,268 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2020-07-19 23:03:15,268 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 0 ~systemActive~0)) (.cse9 (= 2 ~waterLevel~0))) (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse3 (not .cse5) .cse9 (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse5 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or .cse0 .cse6 .cse2 .cse7 .cse5)))) [2020-07-19 23:03:15,268 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-19 23:03:15,268 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-19 23:03:15,268 INFO L268 CegarLoopResult]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-07-19 23:03:15,269 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2020-07-19 23:03:15,269 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2020-07-19 23:03:15,269 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2020-07-19 23:03:15,269 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse2 .cse4) (or .cse8 .cse5 .cse6 .cse7 .cse2) (or .cse8 .cse5 .cse2 .cse1 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4))) [2020-07-19 23:03:15,269 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-19 23:03:15,269 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (< 0 (+ processEnvironment_~tmp~4 1)) .cse5 .cse6) .cse0 .cse7 .cse8 .cse1) (or .cse4 .cse0 .cse1 .cse2) (or .cse9 .cse2 .cse1 .cse3) (or (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse6) .cse0 .cse7 .cse8 .cse1 .cse3) (or .cse4 .cse9 .cse2 .cse1))) [2020-07-19 23:03:15,269 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-19 23:03:15,270 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse9 .cse2 .cse3))) [2020-07-19 23:03:15,270 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse3) (or .cse6 (and (< 0 (+ processEnvironment_~tmp~4 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0)) .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse7 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse2 .cse1))) [2020-07-19 23:03:15,270 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-19 23:03:15,270 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6) (or .cse8 .cse6 .cse5 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse0 .cse8 .cse6 .cse5))) [2020-07-19 23:03:15,270 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-19 23:03:15,270 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-19 23:03:15,271 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2020-07-19 23:03:15,271 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2020-07-19 23:03:15,271 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-07-19 23:03:15,271 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:03:15,271 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-19 23:03:15,271 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) the Hoare annotation is: (let ((.cse4 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse6 .cse1 .cse5 .cse3 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse6 .cse0 .cse1 .cse3 .cse2))) [2020-07-19 23:03:15,272 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 1 ~waterLevel~0)) (.cse0 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3) (and .cse4 .cse1 (not (= 0 ~systemActive~0)) (= 2 ~waterLevel~0) (<= 1 ~pumpRunning~0)) (and .cse4 .cse1 .cse3 .cse5) (and .cse1 .cse6 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse6 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 23:03:15,272 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-07-19 23:03:15,272 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-07-19 23:03:15,272 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-07-19 23:03:15,272 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-07-19 23:03:15,272 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:03:15,272 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse5) (and .cse4 .cse0 .cse6 .cse3 .cse7) (and .cse0 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse6 .cse3 .cse7) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse0 .cse2 .cse3))) [2020-07-19 23:03:15,272 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-07-19 23:03:15,273 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse7) (and .cse0 .cse5 .cse1 .cse3 .cse6) (and .cse0 .cse1 .cse2 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse0 .cse2 .cse3))) [2020-07-19 23:03:15,273 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-07-19 23:03:15,273 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse5) (and .cse0 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse3 .cse6) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse6))) [2020-07-19 23:03:15,273 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-07-19 23:03:15,273 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-07-19 23:03:15,273 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse0 (not (= 0 ~systemActive~0)) .cse3 (<= 1 ~pumpRunning~0)) (and .cse1 .cse0 .cse2 .cse5) (and .cse0 .cse4 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 23:03:15,273 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2020-07-19 23:03:15,273 INFO L268 CegarLoopResult]: For program point L981(lines 981 988) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L268 CegarLoopResult]: For program point L975(lines 975 995) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-19 23:03:15,274 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2020-07-19 23:03:15,274 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point L496(lines 496 504) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2020-07-19 23:03:15,275 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L946(lines 946 957) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L928(lines 906 929) no Hoare annotation was computed. [2020-07-19 23:03:15,276 INFO L268 CegarLoopResult]: For program point L887(lines 887 903) no Hoare annotation was computed. [2020-07-19 23:03:15,277 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-19 23:03:15,277 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2020-07-19 23:03:15,277 INFO L268 CegarLoopResult]: For program point L908(lines 907 927) no Hoare annotation was computed. [2020-07-19 23:03:15,277 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-19 23:03:15,277 INFO L268 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-07-19 23:03:15,277 INFO L268 CegarLoopResult]: For program point L904(lines 904 945) no Hoare annotation was computed. [2020-07-19 23:03:15,277 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:03:15,278 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 23:03:15,278 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:03:15,278 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-19 23:03:15,278 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 23:03:15,278 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-19 23:03:15,278 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2020-07-19 23:03:15,278 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 298 314) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 23:03:15,278 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse3))) [2020-07-19 23:03:15,279 INFO L268 CegarLoopResult]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2020-07-19 23:03:15,279 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2020-07-19 23:03:15,279 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2020-07-19 23:03:15,279 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2020-07-19 23:03:15,279 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-19 23:03:15,279 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2020-07-19 23:03:15,279 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2020-07-19 23:03:15,279 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2020-07-19 23:03:15,279 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-07-19 23:03:15,280 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-19 23:03:15,280 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2020-07-19 23:03:15,280 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or .cse0 (not (<= ~waterLevel~0 2)) (= 0 ~systemActive~0) .cse2 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse3 .cse5))) [2020-07-19 23:03:15,280 INFO L268 CegarLoopResult]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2020-07-19 23:03:15,280 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2020-07-19 23:03:15,280 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:03:15,280 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 23:03:15,280 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:03:15,281 INFO L264 CegarLoopResult]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse12 (= 1 ~waterLevel~0))) (let ((.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse9 (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse12)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (and .cse0 .cse12)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (= 1 |old(~waterLevel~0)|)))) (and (or (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2 .cse3 .cse4 (and (not .cse5) .cse6 (<= 1 ~pumpRunning~0))) (or .cse7 .cse8 .cse5 .cse3 .cse4 .cse9) (or .cse7 .cse10 .cse1 .cse11) (or .cse8 .cse5 .cse2 .cse3 .cse4 .cse9) (or (and .cse0 .cse6) .cse7 .cse1 .cse3 .cse4) (or .cse10 .cse1 .cse2 .cse11)))) [2020-07-19 23:03:15,281 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse8 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse3 .cse0 .cse6 .cse7) (or .cse4 .cse5 .cse1 .cse6 .cse7 .cse8))) [2020-07-19 23:03:15,281 INFO L268 CegarLoopResult]: For program point L185(lines 181 203) no Hoare annotation was computed. [2020-07-19 23:03:15,281 INFO L268 CegarLoopResult]: For program point L183(lines 181 203) no Hoare annotation was computed. [2020-07-19 23:03:15,281 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse13 (= 2 ~waterLevel~0)) (.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and .cse11 (not .cse2) .cse13 .cse14 .cse15 (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse12 .cse14 .cse15)) (.cse9 (not (= 1 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse4 .cse7 .cse5) (or .cse8 .cse6 .cse3 .cse9) (or .cse10 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse10 .cse8 .cse6 .cse9) (or .cse10 .cse6 .cse7 .cse4 .cse5)))) [2020-07-19 23:03:15,281 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2020-07-19 23:03:15,282 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2020-07-19 23:03:15,282 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse11 (not .cse9)) (.cse12 (= 0 ~pumpRunning~0)) (.cse13 (= 1 ~waterLevel~0))) (let ((.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (and .cse11 .cse12 .cse13)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (and .cse11 .cse12 (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse4 .cse5 .cse6 .cse10) (or .cse0 .cse8 .cse9 .cse5 .cse6 .cse10) (or .cse1 .cse4 .cse5 .cse6 .cse7))))) [2020-07-19 23:03:15,282 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-07-19 23:03:15,282 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-07-19 23:03:15,282 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-07-19 23:03:15,282 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-19 23:03:15,282 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-19 23:03:15,282 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-07-19 23:03:15,283 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 23:03:15,283 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-07-19 23:03:15,283 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-19 23:03:15,283 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-19 23:03:15,283 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2020-07-19 23:03:15,283 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2020-07-19 23:03:15,283 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2020-07-19 23:03:15,283 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse4 .cse2 .cse3 .cse5))) [2020-07-19 23:03:15,283 INFO L268 CegarLoopResult]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2020-07-19 23:03:15,284 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2020-07-19 23:03:15,284 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-19 23:03:15,284 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2020-07-19 23:03:15,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:03:15,284 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 23:03:15,284 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:03:15,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:03:15,284 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-19 23:03:15,284 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse4 .cse0 .cse7 .cse6) (or .cse4 .cse0 .cse1 .cse5 .cse3) (or .cse0 .cse7 .cse2 .cse6))) [2020-07-19 23:03:15,285 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-19 23:03:15,285 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4))) [2020-07-19 23:03:15,285 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse1 .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse6 .cse5 .cse2 .cse1))) [2020-07-19 23:03:15,285 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-19 23:03:15,285 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2020-07-19 23:03:15,285 INFO L264 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4))) [2020-07-19 23:03:15,285 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-19 23:03:15,286 INFO L268 CegarLoopResult]: For program point L217(lines 217 234) no Hoare annotation was computed. [2020-07-19 23:03:15,286 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse2 .cse1 .cse3) (or .cse4 .cse5 .cse2 .cse1))) [2020-07-19 23:03:15,286 INFO L268 CegarLoopResult]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2020-07-19 23:03:15,286 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (let ((.cse2 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse4 .cse3 .cse6) (or .cse0 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse3))) [2020-07-19 23:03:15,286 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2020-07-19 23:03:15,286 INFO L268 CegarLoopResult]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2020-07-19 23:03:15,286 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= 0 ~systemActive~0) .cse1 (= 2 ~waterLevel~0) (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse1 .cse2 .cse5 .cse3))) [2020-07-19 23:03:15,287 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2020-07-19 23:03:15,287 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2020-07-19 23:03:15,287 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2020-07-19 23:03:15,287 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2020-07-19 23:03:15,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:03:15 BoogieIcfgContainer [2020-07-19 23:03:15,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:03:15,307 INFO L168 Benchmark]: Toolchain (without parser) took 211709.45 ms. Allocated memory was 139.5 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 103.6 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-07-19 23:03:15,307 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 23:03:15,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.04 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.2 MB in the beginning and 173.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:03:15,308 INFO L168 Benchmark]: Boogie Preprocessor took 139.82 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-19 23:03:15,308 INFO L168 Benchmark]: RCFGBuilder took 1314.81 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 169.4 MB in the beginning and 192.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:03:15,308 INFO L168 Benchmark]: TraceAbstraction took 209578.70 ms. Allocated memory was 237.0 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 192.2 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-07-19 23:03:15,310 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 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.04 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.2 MB in the beginning and 173.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.82 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1314.81 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 169.4 MB in the beginning and 192.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209578.70 ms. Allocated memory was 237.0 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 192.2 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: Loop Invariant Derived loop invariant: (((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel)) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == waterLevel)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel)) || !(1 == \old(waterLevel))) || ((((waterLevel <= \old(waterLevel) + 1 && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 130.4s, OverallIterations: 13, TraceHistogramMax: 7, AutomataDifference: 111.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 78.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3102 SDtfs, 8877 SDslu, 7678 SDs, 0 SdLazy, 38696 SolverSat, 7987 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2988 GetRequests, 2486 SyntacticMatches, 8 SemanticMatches, 494 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13401 ImplicationChecksByTransitivity, 53.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7285occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 6939 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 10876 PreInvPairs, 11107 NumberOfFragments, 4490 HoareAnnotationTreeSize, 10876 FomulaSimplifications, 8062604819 FormulaSimplificationTreeSizeReduction, 25.3s HoareSimplificationTime, 77 FomulaSimplificationsInter, 49841088 FormulaSimplificationTreeSizeReductionInter, 53.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 3888 NumberOfCodeBlocks, 3541 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3870 ConstructedInterpolants, 0 QuantifiedInterpolants, 2122693 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5962 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2912/3054 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...