/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_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:45:29,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:45:29,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:45:29,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:45:29,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:45:29,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:45:29,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:45:29,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:45:29,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:45:29,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:45:29,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:45:29,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:45:29,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:45:29,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:45:29,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:45:29,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:45:29,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:45:29,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:45:29,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:45:29,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:45:29,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:45:29,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:45:29,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:45:29,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:45:29,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:45:29,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:45:29,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:45:29,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:45:29,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:45:29,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:45:29,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:45:29,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:45:29,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:45:29,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:45:29,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:45:29,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:45:29,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:45:29,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:45:29,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:45:29,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:45:29,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:45:29,457 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 22:45:29,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:45:29,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:45:29,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:45:29,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:45:29,494 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:45:29,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:45:29,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:45:29,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:45:29,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:45:29,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:45:29,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:45:29,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:45:29,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:45:29,496 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:45:29,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:45:29,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:45:29,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:45:29,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:45:29,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:45:29,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:45:29,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:45:29,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:45:29,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:45:29,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:45:29,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:45:29,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:45:29,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:45:29,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:45:29,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:45:29,499 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 22:45:29,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:45:29,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:45:29,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:45:29,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:45:29,790 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:45:29,791 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-19 22:45:29,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5374e6b74/1bd8a9b47b504edbaac096bba8cfcc44/FLAG910e0466d [2020-07-19 22:45:30,408 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:45:30,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-19 22:45:30,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5374e6b74/1bd8a9b47b504edbaac096bba8cfcc44/FLAG910e0466d [2020-07-19 22:45:30,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5374e6b74/1bd8a9b47b504edbaac096bba8cfcc44 [2020-07-19 22:45:30,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:45:30,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:45:30,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:45:30,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:45:30,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:45:30,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:30" (1/1) ... [2020-07-19 22:45:30,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6164a65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:30, skipping insertion in model container [2020-07-19 22:45:30,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:30" (1/1) ... [2020-07-19 22:45:30,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:45:30,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:45:31,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:45:31,200 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:45:31,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:45:31,318 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:45:31,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31 WrapperNode [2020-07-19 22:45:31,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:45:31,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:45:31,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:45:31,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:45:31,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (1/1) ... [2020-07-19 22:45:31,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (1/1) ... [2020-07-19 22:45:31,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (1/1) ... [2020-07-19 22:45:31,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (1/1) ... [2020-07-19 22:45:31,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (1/1) ... [2020-07-19 22:45:31,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (1/1) ... [2020-07-19 22:45:31,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (1/1) ... [2020-07-19 22:45:31,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:45:31,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:45:31,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:45:31,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:45:31,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (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 22:45:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:45:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:45:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:45:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-19 22:45:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:45:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:45:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:45:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:45:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:45:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:45:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:45:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:45:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:45:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:45:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:45:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:45:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:45:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:45:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-19 22:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:45:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:45:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:45:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:45:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:45:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:45:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:45:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:45:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:45:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:45:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:45:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:45:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:45:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:45:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:45:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:45:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:45:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:45:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:45:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:45:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:45:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:45:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:45:32,550 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:45:32,551 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:45:32,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:45:32 BoogieIcfgContainer [2020-07-19 22:45:32,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:45:32,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:45:32,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:45:32,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:45:32,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:45:30" (1/3) ... [2020-07-19 22:45:32,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b43306a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:45:32, skipping insertion in model container [2020-07-19 22:45:32,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31" (2/3) ... [2020-07-19 22:45:32,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b43306a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:45:32, skipping insertion in model container [2020-07-19 22:45:32,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:45:32" (3/3) ... [2020-07-19 22:45:32,565 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-07-19 22:45:32,576 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:45:32,584 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:45:32,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:45:32,624 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:45:32,624 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:45:32,624 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:45:32,624 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:45:32,625 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:45:32,625 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:45:32,625 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:45:32,625 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:45:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-19 22:45:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:45:32,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:32,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:32,661 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:32,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:32,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1070296044, now seen corresponding path program 1 times [2020-07-19 22:45:32,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:32,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764448036] [2020-07-19 22:45:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,334 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:33,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764448036] [2020-07-19 22:45:33,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:33,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:45:33,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125715306] [2020-07-19 22:45:33,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:45:33,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:33,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:45:33,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:45:33,474 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 3 states. [2020-07-19 22:45:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:34,708 INFO L93 Difference]: Finished difference Result 317 states and 417 transitions. [2020-07-19 22:45:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:45:34,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:45:34,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:34,728 INFO L225 Difference]: With dead ends: 317 [2020-07-19 22:45:34,729 INFO L226 Difference]: Without dead ends: 172 [2020-07-19 22:45:34,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:45:34,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-19 22:45:34,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 136. [2020-07-19 22:45:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-19 22:45:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-07-19 22:45:34,841 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2020-07-19 22:45:34,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:34,842 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-07-19 22:45:34,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:45:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-07-19 22:45:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:45:34,852 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:34,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:34,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:45:34,854 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:34,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:34,854 INFO L82 PathProgramCache]: Analyzing trace with hash 689119196, now seen corresponding path program 1 times [2020-07-19 22:45:34,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:34,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879397960] [2020-07-19 22:45:34,856 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,196 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:35,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879397960] [2020-07-19 22:45:35,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:35,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:45:35,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012176412] [2020-07-19 22:45:35,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:45:35,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:35,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:45:35,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:45:35,240 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 4 states. [2020-07-19 22:45:35,680 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:36,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:36,498 INFO L93 Difference]: Finished difference Result 244 states and 300 transitions. [2020-07-19 22:45:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:45:36,500 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:45:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:36,503 INFO L225 Difference]: With dead ends: 244 [2020-07-19 22:45:36,503 INFO L226 Difference]: Without dead ends: 156 [2020-07-19 22:45:36,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:45:36,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-19 22:45:36,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2020-07-19 22:45:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-19 22:45:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2020-07-19 22:45:36,543 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2020-07-19 22:45:36,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:36,543 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2020-07-19 22:45:36,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:45:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2020-07-19 22:45:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 22:45:36,545 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:36,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:36,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:45:36,546 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:36,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:36,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1659347680, now seen corresponding path program 1 times [2020-07-19 22:45:36,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:36,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411386309] [2020-07-19 22:45:36,547 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,858 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:36,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411386309] [2020-07-19 22:45:36,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:36,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:45:36,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808573503] [2020-07-19 22:45:36,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:45:36,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:36,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:45:36,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:45:36,946 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 8 states. [2020-07-19 22:45:37,349 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:37,660 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:45:37,888 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:38,132 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:38,819 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:40,683 INFO L93 Difference]: Finished difference Result 437 states and 546 transitions. [2020-07-19 22:45:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:45:40,683 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-19 22:45:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:40,692 INFO L225 Difference]: With dead ends: 437 [2020-07-19 22:45:40,693 INFO L226 Difference]: Without dead ends: 334 [2020-07-19 22:45:40,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:45:40,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-19 22:45:40,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 272. [2020-07-19 22:45:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-19 22:45:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2020-07-19 22:45:40,789 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 51 [2020-07-19 22:45:40,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:40,790 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2020-07-19 22:45:40,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:45:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2020-07-19 22:45:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:45:40,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:40,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:40,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:45:40,793 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:40,793 INFO L82 PathProgramCache]: Analyzing trace with hash -2103406603, now seen corresponding path program 1 times [2020-07-19 22:45:40,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:40,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527280919] [2020-07-19 22:45:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,058 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:41,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527280919] [2020-07-19 22:45:41,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:41,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:45:41,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513203650] [2020-07-19 22:45:41,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:45:41,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:41,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:45:41,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:45:41,155 INFO L87 Difference]: Start difference. First operand 272 states and 332 transitions. Second operand 8 states. [2020-07-19 22:45:41,598 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:42,491 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:42,866 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:43,192 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:43,494 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:43,911 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:44,948 INFO L93 Difference]: Finished difference Result 882 states and 1149 transitions. [2020-07-19 22:45:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:45:44,949 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 22:45:44,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:44,955 INFO L225 Difference]: With dead ends: 882 [2020-07-19 22:45:44,955 INFO L226 Difference]: Without dead ends: 634 [2020-07-19 22:45:44,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:45:44,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-07-19 22:45:45,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 499. [2020-07-19 22:45:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-07-19 22:45:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 614 transitions. [2020-07-19 22:45:45,081 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 614 transitions. Word has length 57 [2020-07-19 22:45:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:45,082 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 614 transitions. [2020-07-19 22:45:45,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:45:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 614 transitions. [2020-07-19 22:45:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-19 22:45:45,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:45,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:45,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:45:45,085 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:45,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:45,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1216252231, now seen corresponding path program 1 times [2020-07-19 22:45:45,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:45,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027795057] [2020-07-19 22:45:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,360 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:45,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027795057] [2020-07-19 22:45:45,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:45,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:45:45,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741036956] [2020-07-19 22:45:45,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:45:45,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:45,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:45:45,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:45:45,485 INFO L87 Difference]: Start difference. First operand 499 states and 614 transitions. Second operand 9 states. [2020-07-19 22:45:45,886 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:46,825 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:47,100 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:47,389 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:48,063 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:48,319 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:49,315 INFO L93 Difference]: Finished difference Result 1415 states and 1900 transitions. [2020-07-19 22:45:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:45:49,315 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-07-19 22:45:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:49,322 INFO L225 Difference]: With dead ends: 1415 [2020-07-19 22:45:49,322 INFO L226 Difference]: Without dead ends: 940 [2020-07-19 22:45:49,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:45:49,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-07-19 22:45:49,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 759. [2020-07-19 22:45:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-07-19 22:45:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 935 transitions. [2020-07-19 22:45:49,480 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 935 transitions. Word has length 61 [2020-07-19 22:45:49,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:49,480 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 935 transitions. [2020-07-19 22:45:49,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:45:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 935 transitions. [2020-07-19 22:45:49,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 22:45:49,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:49,485 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] [2020-07-19 22:45:49,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:45:49,485 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:49,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:49,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1403376364, now seen corresponding path program 1 times [2020-07-19 22:45:49,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:49,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530148111] [2020-07-19 22:45:49,486 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,787 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:50,000 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 22:45:50,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530148111] [2020-07-19 22:45:50,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:50,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:45:50,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244026573] [2020-07-19 22:45:50,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:45:50,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:50,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:45:50,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:45:50,008 INFO L87 Difference]: Start difference. First operand 759 states and 935 transitions. Second operand 9 states. [2020-07-19 22:45:50,610 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:51,561 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:51,816 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:45:52,107 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:52,385 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:54,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:54,239 INFO L93 Difference]: Finished difference Result 2506 states and 3515 transitions. [2020-07-19 22:45:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:45:54,240 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-19 22:45:54,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:54,254 INFO L225 Difference]: With dead ends: 2506 [2020-07-19 22:45:54,254 INFO L226 Difference]: Without dead ends: 1771 [2020-07-19 22:45:54,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:45:54,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2020-07-19 22:45:54,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1371. [2020-07-19 22:45:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2020-07-19 22:45:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1674 transitions. [2020-07-19 22:45:54,546 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1674 transitions. Word has length 98 [2020-07-19 22:45:54,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:54,547 INFO L479 AbstractCegarLoop]: Abstraction has 1371 states and 1674 transitions. [2020-07-19 22:45:54,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:45:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1674 transitions. [2020-07-19 22:45:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 22:45:54,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:54,555 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] [2020-07-19 22:45:54,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:45:54,558 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:54,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:54,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1411135723, now seen corresponding path program 1 times [2020-07-19 22:45:54,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:54,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268940600] [2020-07-19 22:45:54,560 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,811 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:54,962 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 22:45:54,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268940600] [2020-07-19 22:45:54,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:54,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:45:54,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646094889] [2020-07-19 22:45:54,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:45:54,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:54,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:45:54,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:45:54,965 INFO L87 Difference]: Start difference. First operand 1371 states and 1674 transitions. Second operand 9 states. [2020-07-19 22:45:55,982 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:56,254 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:45:56,523 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:56,791 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:58,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:58,165 INFO L93 Difference]: Finished difference Result 3134 states and 4213 transitions. [2020-07-19 22:45:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:45:58,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-19 22:45:58,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:58,180 INFO L225 Difference]: With dead ends: 3134 [2020-07-19 22:45:58,180 INFO L226 Difference]: Without dead ends: 1787 [2020-07-19 22:45:58,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:45:58,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-07-19 22:45:58,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1411. [2020-07-19 22:45:58,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1411 states. [2020-07-19 22:45:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1714 transitions. [2020-07-19 22:45:58,472 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1714 transitions. Word has length 98 [2020-07-19 22:45:58,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:58,472 INFO L479 AbstractCegarLoop]: Abstraction has 1411 states and 1714 transitions. [2020-07-19 22:45:58,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:45:58,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1714 transitions. [2020-07-19 22:45:58,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 22:45:58,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:58,476 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] [2020-07-19 22:45:58,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:45:58,476 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:58,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:58,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1990345235, now seen corresponding path program 1 times [2020-07-19 22:45:58,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:58,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336589865] [2020-07-19 22:45:58,477 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:45:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,767 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:58,955 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 22:45:58,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336589865] [2020-07-19 22:45:58,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:58,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:45:58,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982814843] [2020-07-19 22:45:58,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:45:58,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:58,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:45:58,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:45:58,961 INFO L87 Difference]: Start difference. First operand 1411 states and 1714 transitions. Second operand 11 states. [2020-07-19 22:45:59,529 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:59,761 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:59,995 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:00,687 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:00,959 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:01,212 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:02,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:02,509 INFO L93 Difference]: Finished difference Result 2760 states and 3605 transitions. [2020-07-19 22:46:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:46:02,511 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-19 22:46:02,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:02,521 INFO L225 Difference]: With dead ends: 2760 [2020-07-19 22:46:02,522 INFO L226 Difference]: Without dead ends: 1373 [2020-07-19 22:46:02,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 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 22:46:02,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-07-19 22:46:02,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1129. [2020-07-19 22:46:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-07-19 22:46:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1346 transitions. [2020-07-19 22:46:02,719 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1346 transitions. Word has length 98 [2020-07-19 22:46:02,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:02,720 INFO L479 AbstractCegarLoop]: Abstraction has 1129 states and 1346 transitions. [2020-07-19 22:46:02,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:46:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1346 transitions. [2020-07-19 22:46:02,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 22:46:02,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:02,723 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] [2020-07-19 22:46:02,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:46:02,724 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:02,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:02,724 INFO L82 PathProgramCache]: Analyzing trace with hash 860662504, now seen corresponding path program 1 times [2020-07-19 22:46:02,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:02,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702818553] [2020-07-19 22:46:02,725 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:46:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,031 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:46:03,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702818553] [2020-07-19 22:46:03,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172029990] [2020-07-19 22:46:03,326 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@53ea8192 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 22:46:03,790 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@53ea8192 issued 4 check-sat command(s) [2020-07-19 22:46:03,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:46:03,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:46:03,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:46:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:46:04,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:46:04,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-19 22:46:04,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208513523] [2020-07-19 22:46:04,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:46:04,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:04,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:46:04,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:46:04,096 INFO L87 Difference]: Start difference. First operand 1129 states and 1346 transitions. Second operand 8 states. [2020-07-19 22:46:04,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:04,642 INFO L93 Difference]: Finished difference Result 2208 states and 2648 transitions. [2020-07-19 22:46:04,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:46:04,642 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-07-19 22:46:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:04,649 INFO L225 Difference]: With dead ends: 2208 [2020-07-19 22:46:04,650 INFO L226 Difference]: Without dead ends: 1103 [2020-07-19 22:46:04,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:46:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2020-07-19 22:46:04,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1103. [2020-07-19 22:46:04,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states. [2020-07-19 22:46:04,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1291 transitions. [2020-07-19 22:46:04,897 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1291 transitions. Word has length 102 [2020-07-19 22:46:04,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:04,898 INFO L479 AbstractCegarLoop]: Abstraction has 1103 states and 1291 transitions. [2020-07-19 22:46:04,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:46:04,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1291 transitions. [2020-07-19 22:46:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-19 22:46:04,903 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:04,904 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:05,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 22:46:05,117 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:05,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1219959590, now seen corresponding path program 1 times [2020-07-19 22:46:05,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:05,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978786029] [2020-07-19 22:46:05,118 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:46:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,473 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-19 22:46:05,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978786029] [2020-07-19 22:46:05,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743478707] [2020-07-19 22:46:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@752ab775 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:46:06,126 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@752ab775 issued 4 check-sat command(s) [2020-07-19 22:46:06,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:46:06,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 22:46:06,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:46:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-19 22:46:06,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:46:06,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2020-07-19 22:46:06,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818765304] [2020-07-19 22:46:06,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:46:06,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:06,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:46:06,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:46:06,210 INFO L87 Difference]: Start difference. First operand 1103 states and 1291 transitions. Second operand 5 states. [2020-07-19 22:46:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:07,345 INFO L93 Difference]: Finished difference Result 2803 states and 3575 transitions. [2020-07-19 22:46:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 22:46:07,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-07-19 22:46:07,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:07,358 INFO L225 Difference]: With dead ends: 2803 [2020-07-19 22:46:07,358 INFO L226 Difference]: Without dead ends: 2040 [2020-07-19 22:46:07,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 200 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:46:07,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2020-07-19 22:46:07,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1821. [2020-07-19 22:46:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1821 states. [2020-07-19 22:46:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2151 transitions. [2020-07-19 22:46:07,734 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2151 transitions. Word has length 153 [2020-07-19 22:46:07,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:07,734 INFO L479 AbstractCegarLoop]: Abstraction has 1821 states and 2151 transitions. [2020-07-19 22:46:07,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:46:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2151 transitions. [2020-07-19 22:46:07,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-19 22:46:07,741 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:07,741 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:46:07,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:46:07,956 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:07,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:07,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1025619864, now seen corresponding path program 1 times [2020-07-19 22:46:07,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:07,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974574464] [2020-07-19 22:46:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@8136898 [2020-07-19 22:46:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,322 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-19 22:46:08,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974574464] [2020-07-19 22:46:08,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743846260] [2020-07-19 22:46:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c4404a0 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 22:46:08,994 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c4404a0 issued 4 check-sat command(s) [2020-07-19 22:46:08,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:46:08,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:46:09,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:46:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 22:46:09,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:46:09,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 22:46:09,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182972405] [2020-07-19 22:46:09,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:46:09,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:09,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:46:09,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:46:09,183 INFO L87 Difference]: Start difference. First operand 1821 states and 2151 transitions. Second operand 8 states. [2020-07-19 22:46:09,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:09,699 INFO L93 Difference]: Finished difference Result 3159 states and 3777 transitions. [2020-07-19 22:46:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:46:09,699 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-07-19 22:46:09,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:09,701 INFO L225 Difference]: With dead ends: 3159 [2020-07-19 22:46:09,701 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:46:09,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:46:09,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:46:09,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:46:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:46:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:46:09,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-07-19 22:46:09,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:09,712 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:46:09,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:46:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:46:09,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:46:09,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 22:46:09,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:46:13,413 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 391 DAG size of output: 315 [2020-07-19 22:46:14,318 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 315 [2020-07-19 22:46:16,863 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 315 [2020-07-19 22:46:18,470 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 317 [2020-07-19 22:46:20,508 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 271 [2020-07-19 22:46:21,927 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-07-19 22:46:22,471 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 15 [2020-07-19 22:46:22,970 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-07-19 22:46:23,149 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 22:46:23,323 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 22:46:23,494 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:23,680 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 22:46:24,263 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 19 [2020-07-19 22:46:24,813 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 22 [2020-07-19 22:46:26,351 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 250 DAG size of output: 30 [2020-07-19 22:46:27,873 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 250 DAG size of output: 30 [2020-07-19 22:46:28,431 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 22 [2020-07-19 22:46:28,612 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 26 [2020-07-19 22:46:29,020 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-19 22:46:29,216 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 26 [2020-07-19 22:46:29,603 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 18 [2020-07-19 22:46:30,534 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 25 [2020-07-19 22:46:30,736 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-19 22:46:31,432 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 18 [2020-07-19 22:46:32,428 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 32 [2020-07-19 22:46:32,938 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-07-19 22:46:33,105 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:46:33,826 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 19 [2020-07-19 22:46:35,349 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 250 DAG size of output: 30 [2020-07-19 22:46:35,920 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 18 [2020-07-19 22:46:36,984 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2020-07-19 22:46:37,492 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 15 [2020-07-19 22:46:38,455 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 17 [2020-07-19 22:46:38,625 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:46:38,814 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:38,991 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:39,954 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-07-19 22:46:41,557 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 252 DAG size of output: 31 [2020-07-19 22:46:41,739 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 22:46:42,312 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 23 [2020-07-19 22:46:42,493 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:43,752 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 196 DAG size of output: 24 [2020-07-19 22:46:44,131 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 18 [2020-07-19 22:46:44,326 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-19 22:46:44,518 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 22:46:45,631 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 182 DAG size of output: 19 [2020-07-19 22:46:46,794 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 212 DAG size of output: 31 [2020-07-19 22:46:47,227 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2020-07-19 22:46:47,405 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:47,851 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 15 [2020-07-19 22:46:48,018 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:48,201 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 22:46:49,010 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2020-07-19 22:46:49,283 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 12 [2020-07-19 22:46:49,288 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 22:46:49,288 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2020-07-19 22:46:49,288 INFO L268 CegarLoopResult]: For program point L598(lines 575 599) no Hoare annotation was computed. [2020-07-19 22:46:49,289 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2020-07-19 22:46:49,289 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2020-07-19 22:46:49,289 INFO L268 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-07-19 22:46:49,289 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2020-07-19 22:46:49,289 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2020-07-19 22:46:49,289 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-19 22:46:49,289 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2020-07-19 22:46:49,290 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-19 22:46:49,290 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2020-07-19 22:46:49,290 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2020-07-19 22:46:49,290 INFO L268 CegarLoopResult]: For program point L659(lines 632 660) no Hoare annotation was computed. [2020-07-19 22:46:49,290 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2020-07-19 22:46:49,290 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-07-19 22:46:49,291 INFO L268 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-07-19 22:46:49,291 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2020-07-19 22:46:49,291 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2020-07-19 22:46:49,291 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-19 22:46:49,292 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2020-07-19 22:46:49,292 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2020-07-19 22:46:49,292 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2020-07-19 22:46:49,292 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,292 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-19 22:46:49,292 INFO L264 CegarLoopResult]: At program point L949(line 949) 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) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,293 INFO L264 CegarLoopResult]: At program point L949-1(line 949) 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) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,293 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-19 22:46:49,293 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2020-07-19 22:46:49,293 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-19 22:46:49,293 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,293 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,293 INFO L264 CegarLoopResult]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 896 919) no Hoare annotation was computed. [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 896 919) no Hoare annotation was computed. [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 896 919) no Hoare annotation was computed. [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-19 22:46:49,294 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-07-19 22:46:49,295 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-19 22:46:49,296 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-19 22:46:49,296 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2020-07-19 22:46:49,296 INFO L268 CegarLoopResult]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2020-07-19 22:46:49,296 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= 0 ~pumpRunning~0)))) [2020-07-19 22:46:49,296 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2020-07-19 22:46:49,296 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2020-07-19 22:46:49,297 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (and (<= 2 ~waterLevel~0) .cse0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 .cse2) (or .cse1 .cse2 (not (<= ~waterLevel~0 0))))) [2020-07-19 22:46:49,297 INFO L268 CegarLoopResult]: For program point L264(lines 264 272) no Hoare annotation was computed. [2020-07-19 22:46:49,297 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2020-07-19 22:46:49,297 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-19 22:46:49,297 INFO L268 CegarLoopResult]: For program point L260(lines 260 277) no Hoare annotation was computed. [2020-07-19 22:46:49,297 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2020-07-19 22:46:49,297 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse6 (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse5)))) [2020-07-19 22:46:49,298 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse3 .cse1 .cse4) (or .cse2 .cse3 .cse4))) [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2020-07-19 22:46:49,298 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point L367(lines 367 375) no Hoare annotation was computed. [2020-07-19 22:46:49,298 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 360 395) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point L367-2(lines 367 375) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 360 395) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 360 395) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2020-07-19 22:46:49,299 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point L832(lines 832 852) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2020-07-19 22:46:49,300 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,300 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2020-07-19 22:46:49,301 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2020-07-19 22:46:49,301 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2020-07-19 22:46:49,301 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2020-07-19 22:46:49,301 INFO L271 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-07-19 22:46:49,301 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-19 22:46:49,301 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2020-07-19 22:46:49,301 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:46:49,301 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2020-07-19 22:46:49,302 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2020-07-19 22:46:49,302 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-07-19 22:46:49,302 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2020-07-19 22:46:49,302 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2020-07-19 22:46:49,302 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2020-07-19 22:46:49,302 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2))) [2020-07-19 22:46:49,302 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-19 22:46:49,302 INFO L268 CegarLoopResult]: For program point L286(lines 286 303) no Hoare annotation was computed. [2020-07-19 22:46:49,302 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2020-07-19 22:46:49,303 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:46:49,303 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-19 22:46:49,303 INFO L268 CegarLoopResult]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2020-07-19 22:46:49,303 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-19 22:46:49,303 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse3 .cse4 .cse1) (or .cse4 .cse1 .cse2))) [2020-07-19 22:46:49,303 INFO L268 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2020-07-19 22:46:49,304 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2020-07-19 22:46:49,304 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2020-07-19 22:46:49,304 INFO L264 CegarLoopResult]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:46:49,304 INFO L268 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2020-07-19 22:46:49,304 INFO L268 CegarLoopResult]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2020-07-19 22:46:49,304 INFO L264 CegarLoopResult]: At program point L490(lines 441 491) 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 22:46:49,304 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (and .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse3))) [2020-07-19 22:46:49,304 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-19 22:46:49,305 INFO L264 CegarLoopResult]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (and .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse3))) [2020-07-19 22:46:49,305 INFO L268 CegarLoopResult]: For program point L443(lines 442 489) no Hoare annotation was computed. [2020-07-19 22:46:49,305 INFO L268 CegarLoopResult]: For program point L472(lines 472 485) no Hoare annotation was computed. [2020-07-19 22:46:49,305 INFO L264 CegarLoopResult]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 22:46:49,305 INFO L268 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-07-19 22:46:49,305 INFO L268 CegarLoopResult]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2020-07-19 22:46:49,305 INFO L264 CegarLoopResult]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 22:46:49,306 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 22:46:49,306 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-07-19 22:46:49,306 INFO L268 CegarLoopResult]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2020-07-19 22:46:49,306 INFO L268 CegarLoopResult]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2020-07-19 22:46:49,306 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2020-07-19 22:46:49,306 INFO L268 CegarLoopResult]: For program point L792(lines 792 799) no Hoare annotation was computed. [2020-07-19 22:46:49,306 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2020-07-19 22:46:49,306 INFO L268 CegarLoopResult]: For program point L786(lines 786 806) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 169 191) no Hoare annotation was computed. [2020-07-19 22:46:49,307 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 169 191) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 169 191) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 82 91) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point L698(lines 698 714) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point L758(lines 758 765) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point L719(lines 718 738) no Hoare annotation was computed. [2020-07-19 22:46:49,308 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point L715(lines 715 756) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point L757(lines 757 768) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2020-07-19 22:46:49,309 INFO L268 CegarLoopResult]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-07-19 22:46:49,310 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2020-07-19 22:46:49,310 INFO L268 CegarLoopResult]: For program point L739(lines 717 740) no Hoare annotation was computed. [2020-07-19 22:46:49,310 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:46:49,310 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(#t~string65.base)| |#t~string65.base|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |#t~string8.base| |old(#t~string8.base)|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#t~string8.offset)| |#t~string8.offset|) (= |old(#length)| |#length|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |old(#t~string66.base)| |#t~string66.base|) (= |#t~string10.base| |old(#t~string10.base)|) (= |old(#t~string70.base)| |#t~string70.base|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string67.base| |old(#t~string67.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(#t~string12.offset)| |#t~string12.offset|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:46:49,310 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:46:49,311 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-19 22:46:49,311 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-19 22:46:49,311 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2020-07-19 22:46:49,311 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-19 22:46:49,311 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2))) [2020-07-19 22:46:49,311 INFO L268 CegarLoopResult]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2020-07-19 22:46:49,311 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-07-19 22:46:49,311 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 192 200) no Hoare annotation was computed. [2020-07-19 22:46:49,312 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-19 22:46:49,312 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-19 22:46:49,312 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2020-07-19 22:46:49,312 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2020-07-19 22:46:49,312 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-19 22:46:49,312 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2020-07-19 22:46:49,312 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-19 22:46:49,312 INFO L268 CegarLoopResult]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2020-07-19 22:46:49,313 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-19 22:46:49,313 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~systemActive~0) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-19 22:46:49,313 INFO L268 CegarLoopResult]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2020-07-19 22:46:49,313 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2020-07-19 22:46:49,313 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:46:49,313 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:46:49,313 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:46:49,313 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2020-07-19 22:46:49,314 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2020-07-19 22:46:49,314 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2020-07-19 22:46:49,314 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse4 .cse5 .cse3)))) [2020-07-19 22:46:49,314 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (and (not .cse1) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse1)))) [2020-07-19 22:46:49,314 INFO L264 CegarLoopResult]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse2 .cse7)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse6 .cse2) (or .cse3 .cse4 .cse6 (and .cse5 (not .cse1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 .cse6 .cse7 (not (= 1 |old(~waterLevel~0)|)))))) [2020-07-19 22:46:49,314 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2020-07-19 22:46:49,315 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2020-07-19 22:46:49,315 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse0) (or .cse3 .cse4 .cse1))) [2020-07-19 22:46:49,315 INFO L268 CegarLoopResult]: For program point L228(lines 227 246) no Hoare annotation was computed. [2020-07-19 22:46:49,315 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2020-07-19 22:46:49,315 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2020-07-19 22:46:49,315 INFO L271 CegarLoopResult]: At program point L891(lines 866 895) the Hoare annotation is: true [2020-07-19 22:46:49,315 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-19 22:46:49,315 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-19 22:46:49,316 INFO L271 CegarLoopResult]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2020-07-19 22:46:49,316 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-19 22:46:49,316 INFO L271 CegarLoopResult]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2020-07-19 22:46:49,316 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-19 22:46:49,316 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-19 22:46:49,316 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-07-19 22:46:49,316 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-19 22:46:49,316 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-07-19 22:46:49,317 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2020-07-19 22:46:49,317 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2020-07-19 22:46:49,317 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:46:49,317 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 22:46:49,317 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:46:49,317 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:46:49,317 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2020-07-19 22:46:49,317 INFO L268 CegarLoopResult]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2020-07-19 22:46:49,318 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= 0 ~systemActive~0) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-19 22:46:49,318 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-07-19 22:46:49,318 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-07-19 22:46:49,318 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-07-19 22:46:49,318 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-07-19 22:46:49,318 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-19 22:46:49,318 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (= 0 ~systemActive~0) .cse0))) [2020-07-19 22:46:49,318 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-19 22:46:49,319 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-19 22:46:49,319 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) .cse0))) [2020-07-19 22:46:49,319 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-19 22:46:49,319 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-19 22:46:49,319 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-19 22:46:49,319 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-19 22:46:49,319 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-19 22:46:49,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:46:49 BoogieIcfgContainer [2020-07-19 22:46:49,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:46:49,339 INFO L168 Benchmark]: Toolchain (without parser) took 78657.89 ms. Allocated memory was 147.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 102.8 MB in the beginning and 1.0 GB in the end (delta: -899.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-19 22:46:49,340 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 22:46:49,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.09 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.6 MB in the beginning and 174.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:46:49,341 INFO L168 Benchmark]: Boogie Preprocessor took 93.76 ms. Allocated memory is still 206.6 MB. Free memory was 174.8 MB in the beginning and 170.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:46:49,342 INFO L168 Benchmark]: RCFGBuilder took 1142.89 ms. Allocated memory was 206.6 MB in the beginning and 235.4 MB in the end (delta: 28.8 MB). Free memory was 170.2 MB in the beginning and 192.7 MB in the end (delta: -22.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:46:49,342 INFO L168 Benchmark]: TraceAbstraction took 76780.34 ms. Allocated memory was 235.4 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 192.7 MB in the beginning and 1.0 GB in the end (delta: -809.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-19 22:46:49,345 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.09 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.6 MB in the beginning and 174.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.76 ms. Allocated memory is still 206.6 MB. Free memory was 174.8 MB in the beginning and 170.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1142.89 ms. Allocated memory was 206.6 MB in the beginning and 235.4 MB in the end (delta: 28.8 MB). Free memory was 170.2 MB in the beginning and 192.7 MB in the end (delta: -22.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 76780.34 ms. Allocated memory was 235.4 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 192.7 MB in the beginning and 1.0 GB in the end (delta: -809.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && !(0 == systemActive))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == methaneLevelCritical) && 0 == pumpRunning) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 27.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 39.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1697 SDtfs, 2135 SDslu, 2244 SDs, 0 SdLazy, 6489 SolverSat, 1273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 865 GetRequests, 718 SyntacticMatches, 7 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1821occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1682 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4071 PreInvPairs, 4329 NumberOfFragments, 1783 HoareAnnotationTreeSize, 4071 FomulaSimplifications, 15822970 FormulaSimplificationTreeSizeReduction, 11.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 1475385 FormulaSimplificationTreeSizeReductionInter, 27.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1372 NumberOfCodeBlocks, 1372 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1358 ConstructedInterpolants, 0 QuantifiedInterpolants, 434317 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2558 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 197/207 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...