/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:05,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:05,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:05,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:05,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:05,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:05,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:05,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:05,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:05,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:05,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:05,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:05,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:05,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:05,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:05,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:05,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:05,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:05,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:05,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:05,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:05,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:05,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:05,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:05,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:44:05,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:44:05,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:44:05,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:44:05,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:44:05,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:44:05,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:44:05,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:44:05,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:44:05,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:44:05,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:44:05,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:44:05,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:44:05,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:44:05,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:05,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:05,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:05,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:44:05,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:05,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:05,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:05,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:05,367 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:05,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:05,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:05,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:05,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:05,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:05,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:05,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:05,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:05,370 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:05,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:05,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:05,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:05,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:05,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:05,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:05,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:05,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:05,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:05,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:05,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:05,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:05,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:05,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:05,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:05,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:44:05,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:05,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:05,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:05,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:05,698 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:05,699 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-20 10:44:05,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b160ffaf/51cb0eeecea34ee694329817360a7d6d/FLAGda1e7d611 [2020-07-20 10:44:06,313 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:06,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-20 10:44:06,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b160ffaf/51cb0eeecea34ee694329817360a7d6d/FLAGda1e7d611 [2020-07-20 10:44:06,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b160ffaf/51cb0eeecea34ee694329817360a7d6d [2020-07-20 10:44:06,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:06,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:06,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:06,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:06,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:06,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:06" (1/1) ... [2020-07-20 10:44:06,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48018f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:06, skipping insertion in model container [2020-07-20 10:44:06,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:06" (1/1) ... [2020-07-20 10:44:06,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:06,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:07,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:07,158 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:44:07,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:07,369 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:44:07,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07 WrapperNode [2020-07-20 10:44:07,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:07,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:44:07,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:44:07,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:44:07,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... [2020-07-20 10:44:07,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... [2020-07-20 10:44:07,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... [2020-07-20 10:44:07,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... [2020-07-20 10:44:07,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... [2020-07-20 10:44:07,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... [2020-07-20 10:44:07,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... [2020-07-20 10:44:07,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:44:07,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:44:07,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:44:07,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:44:07,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:44:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:44:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:44:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:44:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:44:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:44:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:44:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:44:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:44:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:44:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:44:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:44:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:44:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:44:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:44:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:44:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:44:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:44:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:44:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:44:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:44:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:44:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:44:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:44:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:44:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:44:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:44:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:44:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:44:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:44:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:44:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:44:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:44:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:44:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:44:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:44:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:44:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:44:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:44:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:44:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:44:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:44:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:44:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:44:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:44:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:44:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:44:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:44:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:44:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:44:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:44:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:44:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:44:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:44:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:44:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:44:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:44:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:44:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:44:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:44:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:44:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:44:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:44:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:44:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:44:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:44:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:44:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:44:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:44:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:44:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:44:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:44:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:44:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:44:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:44:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:44:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:44:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:44:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:44:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:44:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:44:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:44:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:44:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:44:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:44:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:44:08,757 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:44:08,758 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:44:08,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:08 BoogieIcfgContainer [2020-07-20 10:44:08,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:44:08,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:44:08,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:44:08,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:44:08,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:06" (1/3) ... [2020-07-20 10:44:08,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692188bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:08, skipping insertion in model container [2020-07-20 10:44:08,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:07" (2/3) ... [2020-07-20 10:44:08,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692188bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:08, skipping insertion in model container [2020-07-20 10:44:08,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:08" (3/3) ... [2020-07-20 10:44:08,775 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-07-20 10:44:08,787 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:44:08,795 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:44:08,810 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:44:08,834 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:44:08,835 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:44:08,835 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:44:08,835 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:44:08,835 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:44:08,835 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:44:08,835 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:44:08,836 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:44:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-20 10:44:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:44:08,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:08,871 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:08,872 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:08,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:08,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1391539258, now seen corresponding path program 1 times [2020-07-20 10:44:08,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:08,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007043270] [2020-07-20 10:44:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:09,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:44:09,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:09,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:09,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007043270] [2020-07-20 10:44:09,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:09,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:44:09,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630248144] [2020-07-20 10:44:09,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:44:09,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:09,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:44:09,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:09,238 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-20 10:44:09,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:09,284 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-07-20 10:44:09,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:44:09,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:44:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:09,308 INFO L225 Difference]: With dead ends: 302 [2020-07-20 10:44:09,308 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 10:44:09,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:09,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 10:44:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 10:44:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 10:44:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-20 10:44:09,375 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 59 [2020-07-20 10:44:09,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:09,376 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-20 10:44:09,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:44:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-20 10:44:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:44:09,381 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:09,381 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:09,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:09,595 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:09,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:09,597 INFO L82 PathProgramCache]: Analyzing trace with hash 404948371, now seen corresponding path program 1 times [2020-07-20 10:44:09,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:09,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395539127] [2020-07-20 10:44:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:09,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:44:09,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:09,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:09,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395539127] [2020-07-20 10:44:09,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:09,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:09,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579535585] [2020-07-20 10:44:09,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:09,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:09,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:09,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:09,906 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 3 states. [2020-07-20 10:44:09,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:09,958 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2020-07-20 10:44:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:09,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:44:09,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:09,964 INFO L225 Difference]: With dead ends: 241 [2020-07-20 10:44:09,964 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 10:44:09,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:09,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 10:44:09,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 10:44:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 10:44:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-20 10:44:09,995 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 60 [2020-07-20 10:44:09,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:09,996 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-20 10:44:09,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-20 10:44:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:44:09,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:09,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:10,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:10,212 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:10,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:10,212 INFO L82 PathProgramCache]: Analyzing trace with hash 539093391, now seen corresponding path program 1 times [2020-07-20 10:44:10,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:10,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660916846] [2020-07-20 10:44:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:10,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:10,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:10,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:10,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660916846] [2020-07-20 10:44:10,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:10,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:10,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608344168] [2020-07-20 10:44:10,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:10,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:10,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:10,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:10,451 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2020-07-20 10:44:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:10,491 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-07-20 10:44:10,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:10,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:44:10,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:10,495 INFO L225 Difference]: With dead ends: 372 [2020-07-20 10:44:10,495 INFO L226 Difference]: Without dead ends: 256 [2020-07-20 10:44:10,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-07-20 10:44:10,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 250. [2020-07-20 10:44:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-20 10:44:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 299 transitions. [2020-07-20 10:44:10,529 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 299 transitions. Word has length 65 [2020-07-20 10:44:10,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:10,530 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 299 transitions. [2020-07-20 10:44:10,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 299 transitions. [2020-07-20 10:44:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:44:10,533 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:10,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:10,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:10,747 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:10,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:10,747 INFO L82 PathProgramCache]: Analyzing trace with hash -652418830, now seen corresponding path program 1 times [2020-07-20 10:44:10,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:10,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423816120] [2020-07-20 10:44:10,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:10,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:10,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:10,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:10,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423816120] [2020-07-20 10:44:10,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:10,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:10,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230238655] [2020-07-20 10:44:10,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:10,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:10,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:10,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:10,987 INFO L87 Difference]: Start difference. First operand 250 states and 299 transitions. Second operand 6 states. [2020-07-20 10:44:11,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:11,261 INFO L93 Difference]: Finished difference Result 616 states and 763 transitions. [2020-07-20 10:44:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:44:11,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:44:11,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:11,266 INFO L225 Difference]: With dead ends: 616 [2020-07-20 10:44:11,267 INFO L226 Difference]: Without dead ends: 394 [2020-07-20 10:44:11,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:44:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-07-20 10:44:11,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 384. [2020-07-20 10:44:11,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-07-20 10:44:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 457 transitions. [2020-07-20 10:44:11,303 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 457 transitions. Word has length 70 [2020-07-20 10:44:11,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:11,304 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 457 transitions. [2020-07-20 10:44:11,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 457 transitions. [2020-07-20 10:44:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:11,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:11,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:11,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:11,522 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:11,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:11,523 INFO L82 PathProgramCache]: Analyzing trace with hash -918633805, now seen corresponding path program 1 times [2020-07-20 10:44:11,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:11,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831684939] [2020-07-20 10:44:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:11,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:44:11,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:11,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:11,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831684939] [2020-07-20 10:44:11,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:11,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:11,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631137358] [2020-07-20 10:44:11,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:11,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:11,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:11,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:11,778 INFO L87 Difference]: Start difference. First operand 384 states and 457 transitions. Second operand 3 states. [2020-07-20 10:44:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:11,823 INFO L93 Difference]: Finished difference Result 1088 states and 1377 transitions. [2020-07-20 10:44:11,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:11,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-20 10:44:11,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:11,829 INFO L225 Difference]: With dead ends: 1088 [2020-07-20 10:44:11,829 INFO L226 Difference]: Without dead ends: 732 [2020-07-20 10:44:11,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-07-20 10:44:11,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 729. [2020-07-20 10:44:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-07-20 10:44:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 904 transitions. [2020-07-20 10:44:11,880 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 904 transitions. Word has length 108 [2020-07-20 10:44:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:11,881 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 904 transitions. [2020-07-20 10:44:11,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 904 transitions. [2020-07-20 10:44:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 10:44:11,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:11,884 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:12,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,099 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:12,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:12,100 INFO L82 PathProgramCache]: Analyzing trace with hash 203164686, now seen corresponding path program 1 times [2020-07-20 10:44:12,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:12,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954581609] [2020-07-20 10:44:12,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:12,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:44:12,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:12,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:12,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:12,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954581609] [2020-07-20 10:44:12,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:12,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:12,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129664241] [2020-07-20 10:44:12,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:12,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:12,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:12,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:12,339 INFO L87 Difference]: Start difference. First operand 729 states and 904 transitions. Second operand 6 states. [2020-07-20 10:44:13,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:13,540 INFO L93 Difference]: Finished difference Result 2407 states and 3190 transitions. [2020-07-20 10:44:13,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:44:13,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-07-20 10:44:13,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:13,553 INFO L225 Difference]: With dead ends: 2407 [2020-07-20 10:44:13,553 INFO L226 Difference]: Without dead ends: 1706 [2020-07-20 10:44:13,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:44:13,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-07-20 10:44:13,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1582. [2020-07-20 10:44:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-07-20 10:44:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2032 transitions. [2020-07-20 10:44:13,697 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2032 transitions. Word has length 112 [2020-07-20 10:44:13,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:13,699 INFO L479 AbstractCegarLoop]: Abstraction has 1582 states and 2032 transitions. [2020-07-20 10:44:13,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2032 transitions. [2020-07-20 10:44:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:13,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:13,705 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:13,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:13,920 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:13,920 INFO L82 PathProgramCache]: Analyzing trace with hash -678093676, now seen corresponding path program 1 times [2020-07-20 10:44:13,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:13,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050681445] [2020-07-20 10:44:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:14,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:14,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:14,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:14,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050681445] [2020-07-20 10:44:14,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:14,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:14,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706745147] [2020-07-20 10:44:14,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:14,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:14,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:14,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:14,130 INFO L87 Difference]: Start difference. First operand 1582 states and 2032 transitions. Second operand 6 states. [2020-07-20 10:44:14,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:14,219 INFO L93 Difference]: Finished difference Result 3178 states and 4298 transitions. [2020-07-20 10:44:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:14,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-20 10:44:14,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:14,230 INFO L225 Difference]: With dead ends: 3178 [2020-07-20 10:44:14,231 INFO L226 Difference]: Without dead ends: 1624 [2020-07-20 10:44:14,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:44:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-07-20 10:44:14,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1612. [2020-07-20 10:44:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2020-07-20 10:44:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2070 transitions. [2020-07-20 10:44:14,312 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2070 transitions. Word has length 108 [2020-07-20 10:44:14,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:14,313 INFO L479 AbstractCegarLoop]: Abstraction has 1612 states and 2070 transitions. [2020-07-20 10:44:14,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:14,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2070 transitions. [2020-07-20 10:44:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:14,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:14,315 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:14,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:14,530 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:14,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:14,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1250179026, now seen corresponding path program 1 times [2020-07-20 10:44:14,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:14,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361663853] [2020-07-20 10:44:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:14,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:14,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:14,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:14,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361663853] [2020-07-20 10:44:14,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:14,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:14,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112950656] [2020-07-20 10:44:14,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:14,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:14,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:14,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:14,773 INFO L87 Difference]: Start difference. First operand 1612 states and 2070 transitions. Second operand 5 states. [2020-07-20 10:44:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:14,846 INFO L93 Difference]: Finished difference Result 2982 states and 3930 transitions. [2020-07-20 10:44:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:14,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-20 10:44:14,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:14,855 INFO L225 Difference]: With dead ends: 2982 [2020-07-20 10:44:14,856 INFO L226 Difference]: Without dead ends: 1398 [2020-07-20 10:44:14,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:14,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2020-07-20 10:44:14,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1398. [2020-07-20 10:44:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2020-07-20 10:44:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1772 transitions. [2020-07-20 10:44:14,956 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1772 transitions. Word has length 108 [2020-07-20 10:44:14,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:14,958 INFO L479 AbstractCegarLoop]: Abstraction has 1398 states and 1772 transitions. [2020-07-20 10:44:14,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1772 transitions. [2020-07-20 10:44:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 10:44:14,964 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:14,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:15,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,179 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:15,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:15,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1890897259, now seen corresponding path program 1 times [2020-07-20 10:44:15,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:15,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364340001] [2020-07-20 10:44:15,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:15,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:15,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:15,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:15,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364340001] [2020-07-20 10:44:15,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:15,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:15,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706777800] [2020-07-20 10:44:15,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:15,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:15,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:15,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:15,497 INFO L87 Difference]: Start difference. First operand 1398 states and 1772 transitions. Second operand 10 states. [2020-07-20 10:44:17,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:17,304 INFO L93 Difference]: Finished difference Result 3565 states and 4989 transitions. [2020-07-20 10:44:17,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:17,305 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-20 10:44:17,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:17,325 INFO L225 Difference]: With dead ends: 3565 [2020-07-20 10:44:17,325 INFO L226 Difference]: Without dead ends: 2195 [2020-07-20 10:44:17,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:17,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2020-07-20 10:44:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1539. [2020-07-20 10:44:17,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1539 states. [2020-07-20 10:44:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 1890 transitions. [2020-07-20 10:44:17,501 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 1890 transitions. Word has length 112 [2020-07-20 10:44:17,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:17,502 INFO L479 AbstractCegarLoop]: Abstraction has 1539 states and 1890 transitions. [2020-07-20 10:44:17,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1890 transitions. [2020-07-20 10:44:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-20 10:44:17,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:17,506 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:17,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,722 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:17,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:17,722 INFO L82 PathProgramCache]: Analyzing trace with hash 307281674, now seen corresponding path program 1 times [2020-07-20 10:44:17,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:17,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873765919] [2020-07-20 10:44:17,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:17,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:17,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 10:44:17,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:17,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873765919] [2020-07-20 10:44:17,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:17,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:17,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902540698] [2020-07-20 10:44:17,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:17,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:17,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:17,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:17,984 INFO L87 Difference]: Start difference. First operand 1539 states and 1890 transitions. Second operand 3 states. [2020-07-20 10:44:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:18,195 INFO L93 Difference]: Finished difference Result 2626 states and 3219 transitions. [2020-07-20 10:44:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:18,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-07-20 10:44:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:18,202 INFO L225 Difference]: With dead ends: 2626 [2020-07-20 10:44:18,203 INFO L226 Difference]: Without dead ends: 1115 [2020-07-20 10:44:18,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:18,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2020-07-20 10:44:18,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1082. [2020-07-20 10:44:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-07-20 10:44:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1293 transitions. [2020-07-20 10:44:18,271 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1293 transitions. Word has length 189 [2020-07-20 10:44:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:18,272 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1293 transitions. [2020-07-20 10:44:18,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1293 transitions. [2020-07-20 10:44:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 10:44:18,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:18,276 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:18,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,490 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash 828062466, now seen corresponding path program 1 times [2020-07-20 10:44:18,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:18,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685922234] [2020-07-20 10:44:18,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:18,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:18,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:18,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 10:44:19,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685922234] [2020-07-20 10:44:19,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:19,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:19,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867176737] [2020-07-20 10:44:19,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:19,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:19,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:19,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:19,223 INFO L87 Difference]: Start difference. First operand 1082 states and 1293 transitions. Second operand 10 states. [2020-07-20 10:44:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:20,356 INFO L93 Difference]: Finished difference Result 2384 states and 2872 transitions. [2020-07-20 10:44:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:20,356 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-07-20 10:44:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:20,358 INFO L225 Difference]: With dead ends: 2384 [2020-07-20 10:44:20,358 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:20,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:20,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:20,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-20 10:44:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:20,366 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:20,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:20,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:20,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:20,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:20,940 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 62 [2020-07-20 10:44:22,977 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-07-20 10:44:23,850 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-07-20 10:44:24,067 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 10:44:24,562 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-07-20 10:44:25,084 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-07-20 10:44:25,301 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-20 10:44:25,592 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-07-20 10:44:25,798 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-07-20 10:44:25,958 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 10:44:26,122 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-20 10:44:26,655 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-07-20 10:44:26,879 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 10:44:27,271 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-07-20 10:44:27,512 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 10:44:28,372 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2020-07-20 10:44:28,822 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2020-07-20 10:44:28,882 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:44:28,883 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:44:28,884 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 10:44:28,884 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:28,884 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 10:44:28,884 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:28,884 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 10:44:28,884 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 984 990) the Hoare annotation is: true [2020-07-20 10:44:28,885 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 984 990) no Hoare annotation was computed. [2020-07-20 10:44:28,885 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 991 999) no Hoare annotation was computed. [2020-07-20 10:44:28,885 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 991 999) the Hoare annotation is: true [2020-07-20 10:44:28,885 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 991 999) no Hoare annotation was computed. [2020-07-20 10:44:28,885 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 918 925) the Hoare annotation is: true [2020-07-20 10:44:28,886 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 918 925) no Hoare annotation was computed. [2020-07-20 10:44:28,886 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 918 925) no Hoare annotation was computed. [2020-07-20 10:44:28,886 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 926 935) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:28,886 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 926 935) no Hoare annotation was computed. [2020-07-20 10:44:28,886 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 926 935) no Hoare annotation was computed. [2020-07-20 10:44:28,887 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-20 10:44:28,887 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:28,887 INFO L268 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-07-20 10:44:28,887 INFO L268 CegarLoopResult]: For program point L948(lines 948 958) no Hoare annotation was computed. [2020-07-20 10:44:28,887 INFO L264 CegarLoopResult]: At program point L946(line 946) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:28,888 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-20 10:44:28,888 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 936 964) the Hoare annotation is: true [2020-07-20 10:44:28,888 INFO L268 CegarLoopResult]: For program point L944(lines 944 961) no Hoare annotation was computed. [2020-07-20 10:44:28,888 INFO L268 CegarLoopResult]: For program point L944-1(lines 936 964) no Hoare annotation was computed. [2020-07-20 10:44:28,888 INFO L271 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: true [2020-07-20 10:44:28,888 INFO L268 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-07-20 10:44:28,888 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 936 964) no Hoare annotation was computed. [2020-07-20 10:44:28,889 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 893 915) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,889 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 893 915) no Hoare annotation was computed. [2020-07-20 10:44:28,889 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 893 915) no Hoare annotation was computed. [2020-07-20 10:44:28,889 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,889 INFO L264 CegarLoopResult]: At program point L905-1(line 905) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,889 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-07-20 10:44:28,890 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 910) no Hoare annotation was computed. [2020-07-20 10:44:28,890 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-20 10:44:28,890 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,890 INFO L264 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,890 INFO L264 CegarLoopResult]: At program point L899-1(line 899) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,890 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 10:44:28,891 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-20 10:44:28,892 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-20 10:44:28,893 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:28,893 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-07-20 10:44:28,893 INFO L268 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-07-20 10:44:28,893 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 538 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:28,893 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:28,894 INFO L268 CegarLoopResult]: For program point L557-1(lines 538 562) no Hoare annotation was computed. [2020-07-20 10:44:28,894 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 538 562) no Hoare annotation was computed. [2020-07-20 10:44:28,894 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))))) [2020-07-20 10:44:28,894 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:28,894 INFO L268 CegarLoopResult]: For program point L546(lines 546 554) no Hoare annotation was computed. [2020-07-20 10:44:28,894 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 697 711) no Hoare annotation was computed. [2020-07-20 10:44:28,895 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 10:44:28,895 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-20 10:44:28,895 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 697 711) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 10:44:28,895 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 697 711) no Hoare annotation was computed. [2020-07-20 10:44:28,895 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-20 10:44:28,895 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-20 10:44:28,896 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-20 10:44:28,897 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-20 10:44:28,897 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-20 10:44:28,897 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 977 983) no Hoare annotation was computed. [2020-07-20 10:44:28,897 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 977 983) the Hoare annotation is: true [2020-07-20 10:44:28,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:28,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:28,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:28,897 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 10:44:28,898 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:28,898 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:44:28,898 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:44:28,898 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:28,898 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:28,898 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 889) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,898 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 889) no Hoare annotation was computed. [2020-07-20 10:44:28,899 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 889) no Hoare annotation was computed. [2020-07-20 10:44:28,899 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,899 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-20 10:44:28,899 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-20 10:44:28,899 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-20 10:44:28,899 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-20 10:44:28,899 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 10:44:28,900 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 10:44:28,900 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-20 10:44:28,900 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-20 10:44:28,900 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 801 814) no Hoare annotation was computed. [2020-07-20 10:44:28,900 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-07-20 10:44:28,900 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 801 814) the Hoare annotation is: true [2020-07-20 10:44:28,900 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 801 814) no Hoare annotation was computed. [2020-07-20 10:44:28,901 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:28,901 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-20 10:44:28,901 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:28,901 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-20 10:44:28,901 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-20 10:44:28,901 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-20 10:44:28,901 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:28,902 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:28,902 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-20 10:44:28,902 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:28,902 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-20 10:44:28,902 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 530 536) the Hoare annotation is: true [2020-07-20 10:44:28,903 INFO L264 CegarLoopResult]: At program point L481(lines 430 482) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,903 INFO L264 CegarLoopResult]: At program point testENTRY(lines 421 488) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:28,903 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:28,903 INFO L268 CegarLoopResult]: For program point testFINAL(lines 421 488) no Hoare annotation was computed. [2020-07-20 10:44:28,903 INFO L268 CegarLoopResult]: For program point L469(lines 469 475) no Hoare annotation was computed. [2020-07-20 10:44:28,903 INFO L264 CegarLoopResult]: At program point L469-1(lines 461 476) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:28,904 INFO L268 CegarLoopResult]: For program point L432(lines 431 480) no Hoare annotation was computed. [2020-07-20 10:44:28,904 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:28,904 INFO L268 CegarLoopResult]: For program point L461(lines 461 476) no Hoare annotation was computed. [2020-07-20 10:44:28,904 INFO L264 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:28,904 INFO L268 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-07-20 10:44:28,904 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2020-07-20 10:44:28,905 INFO L264 CegarLoopResult]: At program point L478(lines 431 480) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:28,905 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:28,905 INFO L268 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-07-20 10:44:28,905 INFO L268 CegarLoopResult]: For program point L441-1(lines 441 447) no Hoare annotation was computed. [2020-07-20 10:44:28,905 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-20 10:44:28,905 INFO L268 CegarLoopResult]: For program point testEXIT(lines 421 488) no Hoare annotation was computed. [2020-07-20 10:44:28,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:28,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:28,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:28,906 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 10:44:28,906 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:44:28,906 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:44:28,906 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 589 596) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:28,906 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 589 596) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 769 791) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 769 791) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 769 791) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:28,907 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 10:44:28,908 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 967 976) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 967 976) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 967 976) no Hoare annotation was computed. [2020-07-20 10:44:28,909 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:28,910 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:44:28,910 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:28,910 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:28,910 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-07-20 10:44:28,910 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-07-20 10:44:28,910 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-07-20 10:44:28,910 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:28,911 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-20 10:44:28,911 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 597 613) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:28,911 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-20 10:44:28,911 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-20 10:44:28,911 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-20 10:44:28,911 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-20 10:44:28,911 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-20 10:44:28,911 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-20 10:44:28,912 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-20 10:44:28,912 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 792 800) the Hoare annotation is: true [2020-07-20 10:44:28,912 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 792 800) no Hoare annotation was computed. [2020-07-20 10:44:28,912 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 792 800) no Hoare annotation was computed. [2020-07-20 10:44:28,912 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:28,912 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:28,912 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:28,912 INFO L268 CegarLoopResult]: For program point L752-1(lines 748 759) no Hoare annotation was computed. [2020-07-20 10:44:28,912 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 748 759) the Hoare annotation is: true [2020-07-20 10:44:28,913 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 748 759) no Hoare annotation was computed. [2020-07-20 10:44:28,913 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 10:44:28,913 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-07-20 10:44:28,913 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-07-20 10:44:28,913 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse8 .cse14 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 .cse12 .cse11 .cse13 .cse5) (or .cse3 (and .cse0 .cse14 .cse2) .cse11 .cse5) (or .cse12 .cse10 .cse11 .cse13 .cse5) (or .cse7 .cse3 .cse9 .cse11) (or .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5)))) [2020-07-20 10:44:28,913 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-07-20 10:44:28,914 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 (and .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse2 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse4) .cse6 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:28,914 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-07-20 10:44:28,914 INFO L264 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse15 (and .cse14 .cse0 .cse1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (let ((.cse8 (<= 1 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 1))) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse4 .cse11 (and .cse8 .cse0 .cse12 .cse9))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse13 .cse5 .cse6 (and .cse7 .cse14 .cse10) (and .cse14 .cse0 .cse12)) (or .cse13 .cse15 .cse2 .cse3) (let ((.cse16 (<= 2 ~waterLevel~0))) (or .cse5 (and .cse16 .cse14 .cse0) .cse3 (and .cse16 .cse14 .cse10) .cse4 .cse11)) (or .cse13 .cse5 .cse15 .cse3)))) [2020-07-20 10:44:28,914 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-07-20 10:44:28,914 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-20 10:44:28,915 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-07-20 10:44:28,915 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-07-20 10:44:28,915 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 10:44:28,915 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-07-20 10:44:28,915 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-07-20 10:44:28,915 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-20 10:44:28,915 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-07-20 10:44:28,915 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-20 10:44:28,915 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 760 768) the Hoare annotation is: true [2020-07-20 10:44:28,916 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 760 768) no Hoare annotation was computed. [2020-07-20 10:44:28,916 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 760 768) no Hoare annotation was computed. [2020-07-20 10:44:28,916 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 724 735) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:44:28,916 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 724 735) no Hoare annotation was computed. [2020-07-20 10:44:28,916 INFO L268 CegarLoopResult]: For program point L728-1(lines 724 735) no Hoare annotation was computed. [2020-07-20 10:44:28,916 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-20 10:44:28,916 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-07-20 10:44:28,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:28,917 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:28,917 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:28,917 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:28,917 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 712 719) no Hoare annotation was computed. [2020-07-20 10:44:28,917 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 712 719) the Hoare annotation is: true [2020-07-20 10:44:28,917 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 712 719) no Hoare annotation was computed. [2020-07-20 10:44:28,917 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 736 747) no Hoare annotation was computed. [2020-07-20 10:44:28,917 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 736 747) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-20 10:44:28,918 INFO L268 CegarLoopResult]: For program point L740-1(lines 736 747) no Hoare annotation was computed. [2020-07-20 10:44:28,918 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 10:44:28,918 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 10:44:28,918 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 10:44:28,918 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 10:44:28,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:28 BoogieIcfgContainer [2020-07-20 10:44:28,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:28,940 INFO L168 Benchmark]: Toolchain (without parser) took 22309.91 ms. Allocated memory was 140.5 MB in the beginning and 483.9 MB in the end (delta: 343.4 MB). Free memory was 104.2 MB in the beginning and 256.3 MB in the end (delta: -152.1 MB). Peak memory consumption was 355.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:28,941 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:28,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.36 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 104.0 MB in the beginning and 170.9 MB in the end (delta: -66.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:28,942 INFO L168 Benchmark]: Boogie Preprocessor took 115.62 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 166.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:28,943 INFO L168 Benchmark]: RCFGBuilder took 1280.10 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 187.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:28,944 INFO L168 Benchmark]: TraceAbstraction took 20170.96 ms. Allocated memory was 234.9 MB in the beginning and 483.9 MB in the end (delta: 249.0 MB). Free memory was 187.6 MB in the beginning and 256.3 MB in the end (delta: -68.7 MB). Peak memory consumption was 344.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:28,947 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.36 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 104.0 MB in the beginning and 170.9 MB in the end (delta: -66.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.62 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 166.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1280.10 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 187.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20170.96 ms. Allocated memory was 234.9 MB in the beginning and 483.9 MB in the end (delta: 249.0 MB). Free memory was 187.6 MB in the beginning and 256.3 MB in the end (delta: -68.7 MB). Peak memory consumption was 344.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 431]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2313 SDtfs, 1540 SDslu, 3820 SDs, 0 SdLazy, 2711 SolverSat, 669 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1350 GetRequests, 1283 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1612occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 844 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4178 PreInvPairs, 4367 NumberOfFragments, 2227 HoareAnnotationTreeSize, 4178 FomulaSimplifications, 10254 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 69 FomulaSimplificationsInter, 17954 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1163 NumberOfCodeBlocks, 1163 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 313995 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8974 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 208/230 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...