/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:49:17,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:49:17,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:49:17,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:49:17,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:49:17,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:49:17,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:49:17,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:49:17,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:49:17,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:49:17,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:49:17,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:49:17,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:49:17,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:49:17,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:49:17,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:49:17,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:49:17,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:49:17,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:49:17,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:49:17,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:49:17,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:49:17,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:49:17,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:49:17,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:49:17,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:49:17,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:49:17,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:49:17,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:49:17,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:49:17,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:49:17,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:49:17,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:49:17,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:49:17,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:49:17,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:49:17,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:49:17,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:49:17,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:49:17,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:49:17,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:49:17,398 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 [2020-07-07 10:49:17,413 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:49:17,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:49:17,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:49:17,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:49:17,418 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:49:17,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:49:17,418 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:49:17,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:49:17,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:49:17,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:49:17,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:49:17,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:49:17,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:49:17,420 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:49:17,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:49:17,420 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:49:17,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:49:17,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:49:17,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:49:17,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:49:17,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:49:17,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:17,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:49:17,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:49:17,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:49:17,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:49:17,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:49:17,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:49:17,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:49:17,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:49:17,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:49:17,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:49:17,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:49:17,737 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:49:17,738 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:49:17,738 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-07-07 10:49:17,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a218e9e5/86101095f6bf41febb9d6b2f289576aa/FLAG5ac4e624b [2020-07-07 10:49:18,355 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:49:18,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-07-07 10:49:18,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a218e9e5/86101095f6bf41febb9d6b2f289576aa/FLAG5ac4e624b [2020-07-07 10:49:18,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a218e9e5/86101095f6bf41febb9d6b2f289576aa [2020-07-07 10:49:18,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:49:18,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:49:18,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:18,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:49:18,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:49:18,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:18" (1/1) ... [2020-07-07 10:49:18,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ffcac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:18, skipping insertion in model container [2020-07-07 10:49:18,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:18" (1/1) ... [2020-07-07 10:49:18,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:49:18,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:49:19,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:19,245 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:49:19,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:19,375 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:49:19,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19 WrapperNode [2020-07-07 10:49:19,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:19,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:49:19,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:49:19,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:49:19,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:49:19,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:49:19,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:49:19,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:49:19,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (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 [2020-07-07 10:49:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:49:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:49:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:49:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:49:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:49:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:49:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:49:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:49:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:49:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:49:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:49:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:49:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:49:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:49:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:49:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:49:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:49:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:49:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:49:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:49:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:49:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:49:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:49:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:49:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:49:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:49:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:49:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:49:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:49:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:49:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:49:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:49:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:49:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:49:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:49:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:49:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:49:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:49:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:49:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:49:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:49:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:49:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:49:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:49:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:49:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:49:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:49:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:49:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:49:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:49:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:49:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:49:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:49:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:49:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:49:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:49:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:49:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:49:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:49:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:49:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:49:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:49:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:49:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:49:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:49:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:49:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:49:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:49:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:49:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:49:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:49:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:49:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:49:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:49:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:49:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:49:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:49:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:49:20,789 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:49:20,790 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:49:20,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:20 BoogieIcfgContainer [2020-07-07 10:49:20,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:49:20,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:49:20,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:49:20,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:49:20,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:49:18" (1/3) ... [2020-07-07 10:49:20,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f99d69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:20, skipping insertion in model container [2020-07-07 10:49:20,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (2/3) ... [2020-07-07 10:49:20,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f99d69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:20, skipping insertion in model container [2020-07-07 10:49:20,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:20" (3/3) ... [2020-07-07 10:49:20,804 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-07-07 10:49:20,816 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:49:20,824 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:49:20,839 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:49:20,866 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:49:20,867 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:49:20,867 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:49:20,867 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:49:20,867 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:49:20,868 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:49:20,868 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:49:20,868 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:49:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-07 10:49:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:49:20,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:20,905 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] [2020-07-07 10:49:20,906 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:20,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:20,912 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times [2020-07-07 10:49:20,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:20,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396519846] [2020-07-07 10:49:20,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,586 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:21,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396519846] [2020-07-07 10:49:21,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:21,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:49:21,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171485065] [2020-07-07 10:49:21,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:49:21,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:21,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:49:21,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:21,796 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-07-07 10:49:22,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:22,868 INFO L93 Difference]: Finished difference Result 287 states and 366 transitions. [2020-07-07 10:49:22,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:49:22,870 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:49:22,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:22,886 INFO L225 Difference]: With dead ends: 287 [2020-07-07 10:49:22,886 INFO L226 Difference]: Without dead ends: 158 [2020-07-07 10:49:22,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-07 10:49:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-07-07 10:49:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-07 10:49:22,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-07-07 10:49:22,986 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2020-07-07 10:49:22,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:22,987 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-07-07 10:49:22,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:49:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-07-07 10:49:22,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:49:22,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:22,991 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] [2020-07-07 10:49:22,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:49:22,992 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:22,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:22,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times [2020-07-07 10:49:22,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:22,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032570269] [2020-07-07 10:49:22,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,368 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:23,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032570269] [2020-07-07 10:49:23,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:23,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:23,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545506486] [2020-07-07 10:49:23,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:23,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:23,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:23,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:23,527 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 9 states. [2020-07-07 10:49:24,020 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:24,342 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:24,589 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:24,829 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:26,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:26,014 INFO L93 Difference]: Finished difference Result 260 states and 321 transitions. [2020-07-07 10:49:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:49:26,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:49:26,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:26,017 INFO L225 Difference]: With dead ends: 260 [2020-07-07 10:49:26,017 INFO L226 Difference]: Without dead ends: 158 [2020-07-07 10:49:26,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:26,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-07 10:49:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-07-07 10:49:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-07 10:49:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2020-07-07 10:49:26,059 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64 [2020-07-07 10:49:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:26,059 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2020-07-07 10:49:26,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2020-07-07 10:49:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-07 10:49:26,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:26,063 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] [2020-07-07 10:49:26,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:49:26,063 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:26,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:26,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times [2020-07-07 10:49:26,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:26,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292604977] [2020-07-07 10:49:26,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,418 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:26,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292604977] [2020-07-07 10:49:26,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:26,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:49:26,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947600058] [2020-07-07 10:49:26,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:49:26,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:26,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:49:26,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:26,556 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 7 states. [2020-07-07 10:49:26,934 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:28,354 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:28,871 INFO L93 Difference]: Finished difference Result 377 states and 484 transitions. [2020-07-07 10:49:28,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:49:28,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-07 10:49:28,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:28,878 INFO L225 Difference]: With dead ends: 377 [2020-07-07 10:49:28,878 INFO L226 Difference]: Without dead ends: 275 [2020-07-07 10:49:28,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:28,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-07-07 10:49:28,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 225. [2020-07-07 10:49:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-07 10:49:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 269 transitions. [2020-07-07 10:49:28,934 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 269 transitions. Word has length 72 [2020-07-07 10:49:28,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:28,935 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 269 transitions. [2020-07-07 10:49:28,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:49:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 269 transitions. [2020-07-07 10:49:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-07 10:49:28,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:28,937 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] [2020-07-07 10:49:28,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:49:28,938 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:28,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:28,938 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times [2020-07-07 10:49:28,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:28,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213279248] [2020-07-07 10:49:28,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,233 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:49:29,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213279248] [2020-07-07 10:49:29,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:29,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:29,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278209653] [2020-07-07 10:49:29,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:29,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:29,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:29,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:29,341 INFO L87 Difference]: Start difference. First operand 225 states and 269 transitions. Second operand 9 states. [2020-07-07 10:49:29,902 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:30,535 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:31,508 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:31,790 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:32,165 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:32,409 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:32,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:32,809 INFO L93 Difference]: Finished difference Result 471 states and 597 transitions. [2020-07-07 10:49:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:32,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-07-07 10:49:32,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:32,814 INFO L225 Difference]: With dead ends: 471 [2020-07-07 10:49:32,814 INFO L226 Difference]: Without dead ends: 274 [2020-07-07 10:49:32,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:32,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-07 10:49:32,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 224. [2020-07-07 10:49:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-07 10:49:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 266 transitions. [2020-07-07 10:49:32,864 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 266 transitions. Word has length 86 [2020-07-07 10:49:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:32,865 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 266 transitions. [2020-07-07 10:49:32,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 266 transitions. [2020-07-07 10:49:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 10:49:32,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:32,868 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:32,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:49:32,868 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:32,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:32,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times [2020-07-07 10:49:32,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:32,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823154297] [2020-07-07 10:49:32,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,122 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:33,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823154297] [2020-07-07 10:49:33,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:33,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:33,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664147141] [2020-07-07 10:49:33,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:33,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:33,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:33,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:33,316 INFO L87 Difference]: Start difference. First operand 224 states and 266 transitions. Second operand 9 states. [2020-07-07 10:49:34,459 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:34,706 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:34,964 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:35,206 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:35,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:35,969 INFO L93 Difference]: Finished difference Result 471 states and 606 transitions. [2020-07-07 10:49:35,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:35,970 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-07 10:49:35,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:35,973 INFO L225 Difference]: With dead ends: 471 [2020-07-07 10:49:35,973 INFO L226 Difference]: Without dead ends: 275 [2020-07-07 10:49:35,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:35,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-07-07 10:49:36,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 229. [2020-07-07 10:49:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-07 10:49:36,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 271 transitions. [2020-07-07 10:49:36,019 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 271 transitions. Word has length 102 [2020-07-07 10:49:36,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:36,020 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 271 transitions. [2020-07-07 10:49:36,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 271 transitions. [2020-07-07 10:49:36,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 10:49:36,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:36,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:36,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:49:36,024 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:36,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:36,024 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times [2020-07-07 10:49:36,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:36,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676530392] [2020-07-07 10:49:36,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,293 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:36,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676530392] [2020-07-07 10:49:36,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:36,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:49:36,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759255727] [2020-07-07 10:49:36,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:49:36,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:36,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:49:36,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:49:36,454 INFO L87 Difference]: Start difference. First operand 229 states and 271 transitions. Second operand 11 states. [2020-07-07 10:49:37,307 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:37,551 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:37,794 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:38,527 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:38,780 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:39,032 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:39,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:39,925 INFO L93 Difference]: Finished difference Result 481 states and 617 transitions. [2020-07-07 10:49:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:49:39,926 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-07-07 10:49:39,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:39,928 INFO L225 Difference]: With dead ends: 481 [2020-07-07 10:49:39,928 INFO L226 Difference]: Without dead ends: 280 [2020-07-07 10:49:39,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:39,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-07-07 10:49:39,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 233. [2020-07-07 10:49:39,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-07-07 10:49:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 275 transitions. [2020-07-07 10:49:39,971 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 275 transitions. Word has length 102 [2020-07-07 10:49:39,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:39,972 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 275 transitions. [2020-07-07 10:49:39,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:49:39,972 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 275 transitions. [2020-07-07 10:49:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-07 10:49:39,974 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:39,974 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:39,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:49:39,975 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:39,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:39,975 INFO L82 PathProgramCache]: Analyzing trace with hash 218584628, now seen corresponding path program 1 times [2020-07-07 10:49:39,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:39,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383459874] [2020-07-07 10:49:39,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,234 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:40,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383459874] [2020-07-07 10:49:40,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:40,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:49:40,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168649557] [2020-07-07 10:49:40,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:49:40,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:40,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:49:40,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:49:40,316 INFO L87 Difference]: Start difference. First operand 233 states and 275 transitions. Second operand 6 states. [2020-07-07 10:49:40,822 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:41,687 INFO L93 Difference]: Finished difference Result 409 states and 488 transitions. [2020-07-07 10:49:41,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:41,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-07 10:49:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:41,689 INFO L225 Difference]: With dead ends: 409 [2020-07-07 10:49:41,690 INFO L226 Difference]: Without dead ends: 240 [2020-07-07 10:49:41,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:49:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-07-07 10:49:41,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2020-07-07 10:49:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-07 10:49:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2020-07-07 10:49:41,727 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 98 [2020-07-07 10:49:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:41,728 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2020-07-07 10:49:41,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:49:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2020-07-07 10:49:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 10:49:41,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:41,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:41,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:49:41,730 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:41,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:41,731 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times [2020-07-07 10:49:41,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:41,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822452195] [2020-07-07 10:49:41,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,055 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:42,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822452195] [2020-07-07 10:49:42,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:42,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:49:42,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640531530] [2020-07-07 10:49:42,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:49:42,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:42,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:49:42,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:42,236 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 7 states. [2020-07-07 10:49:42,667 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:43,189 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:44,714 INFO L93 Difference]: Finished difference Result 573 states and 717 transitions. [2020-07-07 10:49:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:49:44,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-07-07 10:49:44,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:44,719 INFO L225 Difference]: With dead ends: 573 [2020-07-07 10:49:44,720 INFO L226 Difference]: Without dead ends: 398 [2020-07-07 10:49:44,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:49:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-07 10:49:44,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 360. [2020-07-07 10:49:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-07-07 10:49:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 422 transitions. [2020-07-07 10:49:44,787 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 422 transitions. Word has length 102 [2020-07-07 10:49:44,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:44,788 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 422 transitions. [2020-07-07 10:49:44,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:49:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 422 transitions. [2020-07-07 10:49:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-07 10:49:44,790 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:44,790 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] [2020-07-07 10:49:44,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:49:44,791 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:44,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:44,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times [2020-07-07 10:49:44,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:44,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220064838] [2020-07-07 10:49:44,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,118 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:45,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220064838] [2020-07-07 10:49:45,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:45,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:49:45,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113899321] [2020-07-07 10:49:45,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:49:45,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:45,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:49:45,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:49:45,337 INFO L87 Difference]: Start difference. First operand 360 states and 422 transitions. Second operand 12 states. [2020-07-07 10:49:45,790 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:46,388 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:47,240 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:47,564 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:47,802 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:48,061 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:48,329 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:49,236 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:49,484 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:50,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:50,235 INFO L93 Difference]: Finished difference Result 988 states and 1228 transitions. [2020-07-07 10:49:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-07 10:49:50,235 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-07-07 10:49:50,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:50,243 INFO L225 Difference]: With dead ends: 988 [2020-07-07 10:49:50,243 INFO L226 Difference]: Without dead ends: 721 [2020-07-07 10:49:50,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 10:49:50,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-07-07 10:49:50,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 614. [2020-07-07 10:49:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-07-07 10:49:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 712 transitions. [2020-07-07 10:49:50,405 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 712 transitions. Word has length 106 [2020-07-07 10:49:50,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:50,407 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 712 transitions. [2020-07-07 10:49:50,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:49:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 712 transitions. [2020-07-07 10:49:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-07 10:49:50,412 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:50,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:50,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:49:50,413 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:50,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:50,413 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times [2020-07-07 10:49:50,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:50,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725871471] [2020-07-07 10:49:50,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,691 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 10:49:51,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725871471] [2020-07-07 10:49:51,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967655886] [2020-07-07 10:49:51,013 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:49:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:51,240 INFO L264 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:49:51,255 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:51,475 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:49:51,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:51,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:49:51,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895124267] [2020-07-07 10:49:51,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:49:51,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:51,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:49:51,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:49:51,482 INFO L87 Difference]: Start difference. First operand 614 states and 712 transitions. Second operand 20 states. [2020-07-07 10:49:52,229 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:52,581 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:52,888 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:53,141 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:53,832 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:49:54,113 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:54,554 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-07 10:49:55,305 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 10:49:56,047 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:56,541 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:49:56,962 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:57,236 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:57,560 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:58,101 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:58,584 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:58,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:58,842 INFO L93 Difference]: Finished difference Result 955 states and 1130 transitions. [2020-07-07 10:49:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:49:58,843 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-07-07 10:49:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:58,845 INFO L225 Difference]: With dead ends: 955 [2020-07-07 10:49:58,845 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:49:58,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=489, Invalid=1961, Unknown=0, NotChecked=0, Total=2450 [2020-07-07 10:49:58,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:49:58,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:49:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:49:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:49:58,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-07 10:49:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:58,852 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:49:58,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:49:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:49:58,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:49:59,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:49:59,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:50:00,138 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 232 [2020-07-07 10:50:00,680 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 221 [2020-07-07 10:50:02,365 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-07-07 10:50:02,938 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 229 [2020-07-07 10:50:03,141 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:03,795 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-07 10:50:03,969 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:50:04,142 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-07 10:50:04,810 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-07-07 10:50:05,044 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-07-07 10:50:05,183 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:50:05,562 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-07-07 10:50:05,975 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 10:50:06,265 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2020-07-07 10:50:06,408 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:50:06,576 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:50:06,757 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-07 10:50:06,975 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:08,048 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2020-07-07 10:50:08,181 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:50:08,479 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-07-07 10:50:09,353 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-07 10:50:09,529 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:10,325 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-07-07 10:50:11,178 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 28 [2020-07-07 10:50:11,730 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 26 [2020-07-07 10:50:11,997 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 14 [2020-07-07 10:50:12,453 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-07-07 10:50:12,628 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-07 10:50:12,869 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-07-07 10:50:13,035 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-07 10:50:13,215 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-07 10:50:13,373 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:50:13,537 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-07 10:50:13,834 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-07 10:50:14,022 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-07 10:50:14,605 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2020-07-07 10:50:14,759 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:50:14,926 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-07 10:50:15,090 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:15,253 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:16,016 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-07 10:50:16,219 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-07 10:50:16,393 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-07 10:50:16,398 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-07-07 10:50:16,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-07-07 10:50:16,399 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-07-07 10:50:16,399 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-07-07 10:50:16,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-07-07 10:50:16,400 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-07 10:50:16,400 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-07-07 10:50:16,400 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-07-07 10:50:16,400 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-07-07 10:50:16,400 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-07-07 10:50:16,400 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-07-07 10:50:16,401 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-07-07 10:50:16,401 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-07-07 10:50:16,401 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-07-07 10:50:16,401 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-07-07 10:50:16,401 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-07-07 10:50:16,401 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-07-07 10:50:16,401 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-07-07 10:50:16,402 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2020-07-07 10:50:16,402 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2020-07-07 10:50:16,402 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2020-07-07 10:50:16,402 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2020-07-07 10:50:16,402 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2020-07-07 10:50:16,402 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,403 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-07 10:50:16,403 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-07 10:50:16,403 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1 .cse2))) [2020-07-07 10:50:16,403 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-07 10:50:16,403 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-07 10:50:16,403 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-07 10:50:16,403 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-07 10:50:16,404 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:50:16,404 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-07 10:50:16,404 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-07 10:50:16,404 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-07 10:50:16,404 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1))) [2020-07-07 10:50:16,404 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-07 10:50:16,404 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-07 10:50:16,405 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-07 10:50:16,405 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-07 10:50:16,405 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-07 10:50:16,405 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,405 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,405 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,406 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-07-07 10:50:16,406 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-07-07 10:50:16,406 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-07-07 10:50:16,406 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-07 10:50:16,406 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,406 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,407 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,407 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-07-07 10:50:16,407 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-07-07 10:50:16,407 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-07-07 10:50:16,407 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-07-07 10:50:16,407 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-07-07 10:50:16,407 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-07 10:50:16,407 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-07 10:50:16,408 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-07 10:50:16,409 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-07-07 10:50:16,409 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed. [2020-07-07 10:50:16,409 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true [2020-07-07 10:50:16,409 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed. [2020-07-07 10:50:16,409 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-07-07 10:50:16,409 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-07 10:50:16,409 INFO L268 CegarLoopResult]: For program point L433(lines 433 441) no Hoare annotation was computed. [2020-07-07 10:50:16,409 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 441) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 414 449) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 414 449) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 429) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 414 449) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-07-07 10:50:16,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-07-07 10:50:16,411 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-07-07 10:50:16,411 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-07-07 10:50:16,411 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-07-07 10:50:16,411 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-07-07 10:50:16,411 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-07-07 10:50:16,411 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-07-07 10:50:16,411 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-07-07 10:50:16,412 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,412 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-07-07 10:50:16,412 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-07-07 10:50:16,412 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,412 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true [2020-07-07 10:50:16,412 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed. [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed. [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 386 393) no Hoare annotation was computed. [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 386 393) no Hoare annotation was computed. [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 386 393) no Hoare annotation was computed. [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed. [2020-07-07 10:50:16,413 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-07-07 10:50:16,414 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true [2020-07-07 10:50:16,414 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed. [2020-07-07 10:50:16,414 INFO L268 CegarLoopResult]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2020-07-07 10:50:16,414 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~2) (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:16,414 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-07 10:50:16,414 INFO L268 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-07-07 10:50:16,414 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed. [2020-07-07 10:50:16,415 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:16,415 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-07 10:50:16,415 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:16,415 INFO L268 CegarLoopResult]: For program point L339(lines 339 356) no Hoare annotation was computed. [2020-07-07 10:50:16,415 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-07 10:50:16,415 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed. [2020-07-07 10:50:16,415 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true [2020-07-07 10:50:16,416 INFO L268 CegarLoopResult]: For program point L481(lines 480 525) no Hoare annotation was computed. [2020-07-07 10:50:16,416 INFO L264 CegarLoopResult]: At program point testENTRY(lines 470 533) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,416 INFO L268 CegarLoopResult]: For program point L510(lines 510 521) no Hoare annotation was computed. [2020-07-07 10:50:16,416 INFO L268 CegarLoopResult]: For program point testFINAL(lines 470 533) no Hoare annotation was computed. [2020-07-07 10:50:16,416 INFO L264 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:50:16,420 INFO L268 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-07-07 10:50:16,421 INFO L268 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-07-07 10:50:16,421 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:50:16,421 INFO L264 CegarLoopResult]: At program point L523(lines 480 525) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (not .cse2))) [2020-07-07 10:50:16,421 INFO L268 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-07-07 10:50:16,421 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2020-07-07 10:50:16,421 INFO L268 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-07-07 10:50:16,421 INFO L264 CegarLoopResult]: At program point L526(lines 479 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:16,421 INFO L268 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed. [2020-07-07 10:50:16,422 INFO L268 CegarLoopResult]: For program point testEXIT(lines 470 533) no Hoare annotation was computed. [2020-07-07 10:50:16,422 INFO L264 CegarLoopResult]: At program point L516-2(lines 510 521) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (not .cse2))) [2020-07-07 10:50:16,422 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-07-07 10:50:16,422 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-07-07 10:50:16,422 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-07-07 10:50:16,423 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-07-07 10:50:16,423 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-07-07 10:50:16,423 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point L153(lines 153 161) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 145 167) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point L153-2(lines 153 161) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 145 167) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 145 167) no Hoare annotation was computed. [2020-07-07 10:50:16,424 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-07-07 10:50:16,425 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-07-07 10:50:16,426 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-07-07 10:50:16,426 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed. [2020-07-07 10:50:16,426 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed. [2020-07-07 10:50:16,426 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed. [2020-07-07 10:50:16,426 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:16,426 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:50:16,426 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:16,427 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,427 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed. [2020-07-07 10:50:16,427 INFO L268 CegarLoopResult]: For program point L380-1(lines 369 385) no Hoare annotation was computed. [2020-07-07 10:50:16,427 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,427 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-07-07 10:50:16,427 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,428 INFO L268 CegarLoopResult]: For program point L374-1(line 374) no Hoare annotation was computed. [2020-07-07 10:50:16,428 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true [2020-07-07 10:50:16,428 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed. [2020-07-07 10:50:16,428 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed. [2020-07-07 10:50:16,428 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed. [2020-07-07 10:50:16,428 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-07-07 10:50:16,428 INFO L271 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: true [2020-07-07 10:50:16,428 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2020-07-07 10:50:16,429 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-07-07 10:50:16,429 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true [2020-07-07 10:50:16,429 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed. [2020-07-07 10:50:16,429 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-07-07 10:50:16,429 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-07 10:50:16,429 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-07-07 10:50:16,429 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:16,429 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:50:16,430 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:16,430 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2020-07-07 10:50:16,430 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2020-07-07 10:50:16,430 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2020-07-07 10:50:16,430 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (or (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse7 .cse6 .cse3))) [2020-07-07 10:50:16,431 INFO L264 CegarLoopResult]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse8) (and .cse8 (<= 1 ~pumpRunning~0)) .cse7 .cse6 .cse3)))) [2020-07-07 10:50:16,431 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-07 10:50:16,431 INFO L268 CegarLoopResult]: For program point L307(lines 303 325) no Hoare annotation was computed. [2020-07-07 10:50:16,431 INFO L268 CegarLoopResult]: For program point L305(lines 303 325) no Hoare annotation was computed. [2020-07-07 10:50:16,431 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (and .cse5 .cse6 .cse7) .cse1 .cse4 .cse3)))) [2020-07-07 10:50:16,431 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed. [2020-07-07 10:50:16,431 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed. [2020-07-07 10:50:16,432 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-07-07 10:50:16,432 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-07-07 10:50:16,432 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-07-07 10:50:16,432 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-07 10:50:16,432 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-07 10:50:16,432 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-07-07 10:50:16,432 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-07 10:50:16,432 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-07-07 10:50:16,433 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-07-07 10:50:16,433 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-07 10:50:16,433 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:16,433 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed. [2020-07-07 10:50:16,433 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-07-07 10:50:16,433 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-07-07 10:50:16,433 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-07-07 10:50:16,433 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:16,434 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:50:16,434 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:50:16,434 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:16,434 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2020-07-07 10:50:16,434 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse2) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) (= 1 ~waterLevel~0) .cse2))) [2020-07-07 10:50:16,434 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-07-07 10:50:16,434 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2020-07-07 10:50:16,434 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-07-07 10:50:16,435 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2020-07-07 10:50:16,435 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2020-07-07 10:50:16,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:50:16 BoogieIcfgContainer [2020-07-07 10:50:16,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:50:16,455 INFO L168 Benchmark]: Toolchain (without parser) took 57727.48 ms. Allocated memory was 144.7 MB in the beginning and 753.9 MB in the end (delta: 609.2 MB). Free memory was 100.3 MB in the beginning and 604.0 MB in the end (delta: -503.7 MB). Peak memory consumption was 612.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:16,456 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 10:50:16,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.78 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 170.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:16,458 INFO L168 Benchmark]: Boogie Preprocessor took 125.60 ms. Allocated memory is still 202.9 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:16,458 INFO L168 Benchmark]: RCFGBuilder took 1292.92 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.2 MB in the beginning and 197.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:16,459 INFO L168 Benchmark]: TraceAbstraction took 55657.25 ms. Allocated memory was 234.9 MB in the beginning and 753.9 MB in the end (delta: 519.0 MB). Free memory was 197.1 MB in the beginning and 604.0 MB in the end (delta: -406.9 MB). Peak memory consumption was 619.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:16,462 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.78 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 170.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.60 ms. Allocated memory is still 202.9 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1292.92 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.2 MB in the beginning and 197.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55657.25 ms. Allocated memory was 234.9 MB in the beginning and 753.9 MB in the end (delta: 519.0 MB). Free memory was 197.1 MB in the beginning and 604.0 MB in the end (delta: -406.9 MB). Peak memory consumption was 619.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || ((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || !(1 == systemActive) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 31.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1363 SDtfs, 3060 SDslu, 2181 SDs, 0 SdLazy, 7323 SolverSat, 2018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 493 SyntacticMatches, 2 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 431 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 991 PreInvPairs, 1059 NumberOfFragments, 1637 HoareAnnotationTreeSize, 991 FomulaSimplifications, 22555208 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 58 FomulaSimplificationsInter, 186075 FormulaSimplificationTreeSizeReductionInter, 13.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1089 NumberOfCodeBlocks, 1089 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1078 ConstructedInterpolants, 0 QuantifiedInterpolants, 381590 SizeOfPredicates, 4 NumberOfNonLiveVariables, 901 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 84/103 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...