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_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:51,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:51,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:51,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:51,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:51,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:51,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:51,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:51,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:51,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:51,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:51,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:51,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:51,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:51,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:51,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:51,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:51,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:51,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:51,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:51,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:51,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:51,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:51,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:51,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:51,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:51,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:51,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:51,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:51,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:51,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:51,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:51,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:51,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:51,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:51,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:51,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:51,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:51,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:51,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:51,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:51,705 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 [2019-09-20 13:06:51,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:51,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:51,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:51,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:51,730 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:51,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:51,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:51,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:51,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:51,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:51,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:51,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:51,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:51,732 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:51,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:51,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:51,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:51,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:51,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:51,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:51,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:51,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:51,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:51,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:51,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:51,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:51,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:51,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:51,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:51,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:51,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:51,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:51,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:51,782 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:51,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2019-09-20 13:06:51,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d813f120d/2f424b3a4f154c2282daaea19467118d/FLAGc4f87b789 [2019-09-20 13:06:52,377 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:52,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2019-09-20 13:06:52,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d813f120d/2f424b3a4f154c2282daaea19467118d/FLAGc4f87b789 [2019-09-20 13:06:52,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d813f120d/2f424b3a4f154c2282daaea19467118d [2019-09-20 13:06:52,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:52,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:52,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:52,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:52,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:52,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:52" (1/1) ... [2019-09-20 13:06:52,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f9f380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:52, skipping insertion in model container [2019-09-20 13:06:52,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:52" (1/1) ... [2019-09-20 13:06:52,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:52,764 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:53,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:53,255 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:53,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:53,445 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:53,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53 WrapperNode [2019-09-20 13:06:53,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:53,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:53,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:53,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:53,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:53,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:53,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:53,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:53,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (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 [2019-09-20 13:06:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:06:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:06:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:06:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:06:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:54,917 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:54,917 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:54,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:54 BoogieIcfgContainer [2019-09-20 13:06:54,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:54,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:54,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:54,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:54,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:52" (1/3) ... [2019-09-20 13:06:54,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfc5582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:54, skipping insertion in model container [2019-09-20 13:06:54,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53" (2/3) ... [2019-09-20 13:06:54,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfc5582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:54, skipping insertion in model container [2019-09-20 13:06:54,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:54" (3/3) ... [2019-09-20 13:06:54,935 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2019-09-20 13:06:54,945 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:54,957 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:54,973 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:55,016 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:55,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:55,017 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:55,017 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:55,018 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:55,018 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:55,018 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:55,018 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:55,019 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-09-20 13:06:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:55,055 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:55,056 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:55,059 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:55,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:55,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1593418819, now seen corresponding path program 1 times [2019-09-20 13:06:55,067 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:55,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:55,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:55,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:55,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:55,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:55,478 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:55,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:55,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:55,496 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2019-09-20 13:06:55,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:55,569 INFO L93 Difference]: Finished difference Result 318 states and 395 transitions. [2019-09-20 13:06:55,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:55,570 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:55,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:55,585 INFO L225 Difference]: With dead ends: 318 [2019-09-20 13:06:55,585 INFO L226 Difference]: Without dead ends: 159 [2019-09-20 13:06:55,592 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:55,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-09-20 13:06:55,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-09-20 13:06:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-09-20 13:06:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2019-09-20 13:06:55,654 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 46 [2019-09-20 13:06:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:55,655 INFO L475 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2019-09-20 13:06:55,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2019-09-20 13:06:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:55,659 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:55,659 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:55,659 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:55,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:55,660 INFO L82 PathProgramCache]: Analyzing trace with hash 261795935, now seen corresponding path program 1 times [2019-09-20 13:06:55,660 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:55,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:55,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:55,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:55,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:55,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:55,792 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:55,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:55,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:55,794 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2019-09-20 13:06:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:55,824 INFO L93 Difference]: Finished difference Result 261 states and 309 transitions. [2019-09-20 13:06:55,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:55,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:55,828 INFO L225 Difference]: With dead ends: 261 [2019-09-20 13:06:55,828 INFO L226 Difference]: Without dead ends: 150 [2019-09-20 13:06:55,830 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:55,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-09-20 13:06:55,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-09-20 13:06:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-09-20 13:06:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2019-09-20 13:06:55,846 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 47 [2019-09-20 13:06:55,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:55,847 INFO L475 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2019-09-20 13:06:55,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2019-09-20 13:06:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:06:55,850 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:55,850 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:55,850 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:55,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:55,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1299589925, now seen corresponding path program 1 times [2019-09-20 13:06:55,851 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:55,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:55,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:55,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:55,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:55,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:55,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:55,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:55,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:55,989 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2019-09-20 13:06:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:56,628 INFO L93 Difference]: Finished difference Result 452 states and 549 transitions. [2019-09-20 13:06:56,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:56,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:06:56,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:56,643 INFO L225 Difference]: With dead ends: 452 [2019-09-20 13:06:56,643 INFO L226 Difference]: Without dead ends: 326 [2019-09-20 13:06:56,645 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:56,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-09-20 13:06:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 318. [2019-09-20 13:06:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2019-09-20 13:06:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 386 transitions. [2019-09-20 13:06:56,693 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 386 transitions. Word has length 51 [2019-09-20 13:06:56,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:56,693 INFO L475 AbstractCegarLoop]: Abstraction has 318 states and 386 transitions. [2019-09-20 13:06:56,694 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 386 transitions. [2019-09-20 13:06:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:06:56,705 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:56,706 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:56,706 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:56,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:56,706 INFO L82 PathProgramCache]: Analyzing trace with hash -848411279, now seen corresponding path program 1 times [2019-09-20 13:06:56,707 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:56,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:56,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:56,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:56,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:56,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:56,866 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:56,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:56,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:56,867 INFO L87 Difference]: Start difference. First operand 318 states and 386 transitions. Second operand 10 states. [2019-09-20 13:06:57,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:57,631 INFO L93 Difference]: Finished difference Result 1152 states and 1500 transitions. [2019-09-20 13:06:57,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:57,632 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:06:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:57,644 INFO L225 Difference]: With dead ends: 1152 [2019-09-20 13:06:57,644 INFO L226 Difference]: Without dead ends: 858 [2019-09-20 13:06:57,647 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:57,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2019-09-20 13:06:57,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 846. [2019-09-20 13:06:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2019-09-20 13:06:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1066 transitions. [2019-09-20 13:06:57,768 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1066 transitions. Word has length 57 [2019-09-20 13:06:57,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:57,770 INFO L475 AbstractCegarLoop]: Abstraction has 846 states and 1066 transitions. [2019-09-20 13:06:57,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:57,773 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1066 transitions. [2019-09-20 13:06:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:06:57,784 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:57,791 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:57,791 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:57,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:57,792 INFO L82 PathProgramCache]: Analyzing trace with hash -533846889, now seen corresponding path program 1 times [2019-09-20 13:06:57,792 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:57,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:57,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:57,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:57,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:57,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:57,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:06:57,991 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:06:57,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:06:57,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:06:57,992 INFO L87 Difference]: Start difference. First operand 846 states and 1066 transitions. Second operand 4 states. [2019-09-20 13:06:58,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:58,420 INFO L93 Difference]: Finished difference Result 2116 states and 2869 transitions. [2019-09-20 13:06:58,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:06:58,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:06:58,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:58,430 INFO L225 Difference]: With dead ends: 2116 [2019-09-20 13:06:58,430 INFO L226 Difference]: Without dead ends: 1294 [2019-09-20 13:06:58,434 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:58,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2019-09-20 13:06:58,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1159. [2019-09-20 13:06:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2019-09-20 13:06:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1444 transitions. [2019-09-20 13:06:58,517 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1444 transitions. Word has length 61 [2019-09-20 13:06:58,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:58,517 INFO L475 AbstractCegarLoop]: Abstraction has 1159 states and 1444 transitions. [2019-09-20 13:06:58,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:06:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1444 transitions. [2019-09-20 13:06:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:06:58,520 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:58,520 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:06:58,521 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:58,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2051159117, now seen corresponding path program 1 times [2019-09-20 13:06:58,522 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:58,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:58,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:58,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:58,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:06:58,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:58,645 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:58,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:58,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:06:58,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:06:59,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:59,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-20 13:06:59,061 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:59,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:59,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:59,062 INFO L87 Difference]: Start difference. First operand 1159 states and 1444 transitions. Second operand 12 states. [2019-09-20 13:07:02,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:02,930 INFO L93 Difference]: Finished difference Result 2684 states and 3605 transitions. [2019-09-20 13:07:02,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-20 13:07:02,931 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-09-20 13:07:02,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:02,944 INFO L225 Difference]: With dead ends: 2684 [2019-09-20 13:07:02,944 INFO L226 Difference]: Without dead ends: 1833 [2019-09-20 13:07:02,952 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-20 13:07:02,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2019-09-20 13:07:03,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1627. [2019-09-20 13:07:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1627 states. [2019-09-20 13:07:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2053 transitions. [2019-09-20 13:07:03,089 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2053 transitions. Word has length 88 [2019-09-20 13:07:03,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:03,091 INFO L475 AbstractCegarLoop]: Abstraction has 1627 states and 2053 transitions. [2019-09-20 13:07:03,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:07:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2053 transitions. [2019-09-20 13:07:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-20 13:07:03,101 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:03,102 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:03,102 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:03,103 INFO L82 PathProgramCache]: Analyzing trace with hash 530822034, now seen corresponding path program 1 times [2019-09-20 13:07:03,103 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:03,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:03,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:03,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:03,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:07:03,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:03,254 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:03,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:03,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:07:03,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:07:03,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:03,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-20 13:07:03,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:07:03,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:07:03,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:07:03,547 INFO L87 Difference]: Start difference. First operand 1627 states and 2053 transitions. Second operand 6 states. [2019-09-20 13:07:03,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:03,672 INFO L93 Difference]: Finished difference Result 3286 states and 4388 transitions. [2019-09-20 13:07:03,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:07:03,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2019-09-20 13:07:03,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:03,685 INFO L225 Difference]: With dead ends: 3286 [2019-09-20 13:07:03,685 INFO L226 Difference]: Without dead ends: 1683 [2019-09-20 13:07:03,692 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:07:03,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2019-09-20 13:07:03,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1667. [2019-09-20 13:07:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2019-09-20 13:07:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2097 transitions. [2019-09-20 13:07:03,817 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2097 transitions. Word has length 168 [2019-09-20 13:07:03,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:03,823 INFO L475 AbstractCegarLoop]: Abstraction has 1667 states and 2097 transitions. [2019-09-20 13:07:03,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:07:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2097 transitions. [2019-09-20 13:07:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-20 13:07:03,834 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:03,835 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:03,835 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:03,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:03,836 INFO L82 PathProgramCache]: Analyzing trace with hash 198178896, now seen corresponding path program 1 times [2019-09-20 13:07:03,836 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:03,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:03,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:03,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:03,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:07:04,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:04,019 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:04,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:04,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:07:04,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-20 13:07:04,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:04,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:07:04,315 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:07:04,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:07:04,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:07:04,315 INFO L87 Difference]: Start difference. First operand 1667 states and 2097 transitions. Second operand 11 states. [2019-09-20 13:07:04,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:04,424 INFO L93 Difference]: Finished difference Result 3035 states and 3940 transitions. [2019-09-20 13:07:04,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:07:04,425 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2019-09-20 13:07:04,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:04,435 INFO L225 Difference]: With dead ends: 3035 [2019-09-20 13:07:04,435 INFO L226 Difference]: Without dead ends: 1392 [2019-09-20 13:07:04,441 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:07:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2019-09-20 13:07:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2019-09-20 13:07:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2019-09-20 13:07:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1753 transitions. [2019-09-20 13:07:04,574 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1753 transitions. Word has length 168 [2019-09-20 13:07:04,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:04,575 INFO L475 AbstractCegarLoop]: Abstraction has 1392 states and 1753 transitions. [2019-09-20 13:07:04,575 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:07:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1753 transitions. [2019-09-20 13:07:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-20 13:07:04,582 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:04,582 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:04,583 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:04,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:04,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1229554551, now seen corresponding path program 1 times [2019-09-20 13:07:04,583 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:04,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:04,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:04,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:04,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-20 13:07:04,801 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:04,801 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:04,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:05,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:07:05,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:07:05,150 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:07:05,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2019-09-20 13:07:05,151 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-20 13:07:05,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-20 13:07:05,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:07:05,152 INFO L87 Difference]: Start difference. First operand 1392 states and 1753 transitions. Second operand 14 states. [2019-09-20 13:07:07,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:07,776 INFO L93 Difference]: Finished difference Result 2793 states and 3731 transitions. [2019-09-20 13:07:07,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-20 13:07:07,777 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 172 [2019-09-20 13:07:07,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:07,793 INFO L225 Difference]: With dead ends: 2793 [2019-09-20 13:07:07,793 INFO L226 Difference]: Without dead ends: 1590 [2019-09-20 13:07:07,802 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2019-09-20 13:07:07,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2019-09-20 13:07:07,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1278. [2019-09-20 13:07:07,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2019-09-20 13:07:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1605 transitions. [2019-09-20 13:07:07,941 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1605 transitions. Word has length 172 [2019-09-20 13:07:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:07,943 INFO L475 AbstractCegarLoop]: Abstraction has 1278 states and 1605 transitions. [2019-09-20 13:07:07,943 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-20 13:07:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1605 transitions. [2019-09-20 13:07:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-20 13:07:07,950 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:07,951 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:07:07,951 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:07,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:07,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1994438147, now seen corresponding path program 2 times [2019-09-20 13:07:07,952 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:07,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:07,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:07,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:07,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 47 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-20 13:07:08,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:08,251 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:08,313 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:07:08,487 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:07:08,488 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:07:08,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:07:08,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:08,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:07:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:07:08,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:08,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:07:08,692 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:07:08,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:07:08,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:07:08,693 INFO L87 Difference]: Start difference. First operand 1278 states and 1605 transitions. Second operand 16 states. [2019-09-20 13:07:11,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:11,722 INFO L93 Difference]: Finished difference Result 3599 states and 4880 transitions. [2019-09-20 13:07:11,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:07:11,723 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 241 [2019-09-20 13:07:11,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:11,739 INFO L225 Difference]: With dead ends: 3599 [2019-09-20 13:07:11,740 INFO L226 Difference]: Without dead ends: 2506 [2019-09-20 13:07:11,745 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2019-09-20 13:07:11,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2019-09-20 13:07:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2294. [2019-09-20 13:07:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2294 states. [2019-09-20 13:07:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2867 transitions. [2019-09-20 13:07:11,909 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2867 transitions. Word has length 241 [2019-09-20 13:07:11,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:11,910 INFO L475 AbstractCegarLoop]: Abstraction has 2294 states and 2867 transitions. [2019-09-20 13:07:11,910 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:07:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2867 transitions. [2019-09-20 13:07:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-20 13:07:11,920 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:11,921 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:07:11,921 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:11,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:11,922 INFO L82 PathProgramCache]: Analyzing trace with hash 267135103, now seen corresponding path program 1 times [2019-09-20 13:07:11,922 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:11,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:11,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:11,924 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:07:11,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-09-20 13:07:12,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:12,069 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:12,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:12,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:07:12,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:07:12,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:12,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:07:12,482 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:07:12,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:07:12,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:07:12,483 INFO L87 Difference]: Start difference. First operand 2294 states and 2867 transitions. Second operand 13 states. [2019-09-20 13:07:12,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:12,626 INFO L93 Difference]: Finished difference Result 3009 states and 3727 transitions. [2019-09-20 13:07:12,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:07:12,626 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2019-09-20 13:07:12,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:12,632 INFO L225 Difference]: With dead ends: 3009 [2019-09-20 13:07:12,632 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:07:12,646 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:07:12,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:07:12,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:07:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:07:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:07:12,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2019-09-20 13:07:12,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:12,648 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:07:12,649 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:07:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:07:12,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:07:12,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:07:13,024 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 44 [2019-09-20 13:07:13,988 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 47 [2019-09-20 13:07:14,413 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2019-09-20 13:07:15,726 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 29 [2019-09-20 13:07:17,245 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 19 [2019-09-20 13:07:17,369 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-09-20 13:07:17,388 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:07:17,388 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:07:17,388 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-20 13:07:17,388 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-09-20 13:07:17,388 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:07:17,389 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2019-09-20 13:07:17,390 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2019-09-20 13:07:17,390 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2019-09-20 13:07:17,391 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2019-09-20 13:07:17,391 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2019-09-20 13:07:17,391 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:17,391 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-09-20 13:07:17,391 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:17,391 INFO L443 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2019-09-20 13:07:17,391 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-09-20 13:07:17,391 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2019-09-20 13:07:17,391 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-09-20 13:07:17,391 INFO L443 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2019-09-20 13:07:17,392 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 486 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:17,392 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 486 508) no Hoare annotation was computed. [2019-09-20 13:07:17,392 INFO L439 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:17,392 INFO L439 ceAbstractionStarter]: At program point L498-1(line 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:17,392 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 503) no Hoare annotation was computed. [2019-09-20 13:07:17,392 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 496 503) no Hoare annotation was computed. [2019-09-20 13:07:17,392 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-09-20 13:07:17,393 INFO L439 ceAbstractionStarter]: At program point L493(line 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:17,393 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 486 508) no Hoare annotation was computed. [2019-09-20 13:07:17,393 INFO L439 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:17,393 INFO L439 ceAbstractionStarter]: At program point L492-1(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:17,393 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-09-20 13:07:17,393 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-20 13:07:17,394 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-09-20 13:07:17,395 INFO L439 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:17,396 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__methaneQuery_~tmp~6 1))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:17,396 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-09-20 13:07:17,396 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:17,396 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-09-20 13:07:17,396 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-09-20 13:07:17,396 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 755 779) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:17,396 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 755 779) no Hoare annotation was computed. [2019-09-20 13:07:17,396 INFO L439 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-09-20 13:07:17,397 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2019-09-20 13:07:17,397 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 933 947) no Hoare annotation was computed. [2019-09-20 13:07:17,397 INFO L439 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))))) [2019-09-20 13:07:17,397 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-09-20 13:07:17,397 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 933 947) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) .cse1)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse2))) [2019-09-20 13:07:17,397 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 933 947) no Hoare annotation was computed. [2019-09-20 13:07:17,398 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2019-09-20 13:07:17,398 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2019-09-20 13:07:17,398 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2019-09-20 13:07:17,398 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-09-20 13:07:17,398 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2019-09-20 13:07:17,398 INFO L446 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2019-09-20 13:07:17,398 INFO L443 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-09-20 13:07:17,398 INFO L443 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2019-09-20 13:07:17,399 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2019-09-20 13:07:17,399 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2019-09-20 13:07:17,399 INFO L443 ceAbstractionStarter]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2019-09-20 13:07:17,399 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-09-20 13:07:17,399 INFO L443 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2019-09-20 13:07:17,399 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2019-09-20 13:07:17,399 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 886) no Hoare annotation was computed. [2019-09-20 13:07:17,400 INFO L443 ceAbstractionStarter]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2019-09-20 13:07:17,400 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2019-09-20 13:07:17,400 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2019-09-20 13:07:17,400 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 874) no Hoare annotation was computed. [2019-09-20 13:07:17,400 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2019-09-20 13:07:17,400 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2019-09-20 13:07:17,400 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:07:17,400 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:07:17,401 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:07:17,401 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-09-20 13:07:17,401 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:07:17,401 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:07:17,401 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:07:17,401 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:07:17,401 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:07:17,402 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 473 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:17,402 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 473 482) no Hoare annotation was computed. [2019-09-20 13:07:17,402 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 473 482) no Hoare annotation was computed. [2019-09-20 13:07:17,402 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 839 849) the Hoare annotation is: true [2019-09-20 13:07:17,402 INFO L446 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2019-09-20 13:07:17,402 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-09-20 13:07:17,402 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2019-09-20 13:07:17,402 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2019-09-20 13:07:17,403 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:17,403 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2019-09-20 13:07:17,403 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2019-09-20 13:07:17,403 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 668) no Hoare annotation was computed. [2019-09-20 13:07:17,403 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 658 671) no Hoare annotation was computed. [2019-09-20 13:07:17,403 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 658 671) the Hoare annotation is: true [2019-09-20 13:07:17,403 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 658 671) no Hoare annotation was computed. [2019-09-20 13:07:17,404 INFO L439 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-09-20 13:07:17,404 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 781 805) no Hoare annotation was computed. [2019-09-20 13:07:17,404 INFO L439 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:17,404 INFO L439 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:17,404 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 781 805) no Hoare annotation was computed. [2019-09-20 13:07:17,404 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 797) no Hoare annotation was computed. [2019-09-20 13:07:17,404 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 781 805) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:17,405 INFO L439 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:17,405 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-09-20 13:07:17,405 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 802) no Hoare annotation was computed. [2019-09-20 13:07:17,405 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2019-09-20 13:07:17,405 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2019-09-20 13:07:17,405 INFO L443 ceAbstractionStarter]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2019-09-20 13:07:17,405 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 949 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:17,405 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2019-09-20 13:07:17,406 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 949 1014) no Hoare annotation was computed. [2019-09-20 13:07:17,406 INFO L439 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:17,406 INFO L443 ceAbstractionStarter]: For program point L979(lines 979 985) no Hoare annotation was computed. [2019-09-20 13:07:17,406 INFO L443 ceAbstractionStarter]: For program point L979-1(lines 979 985) no Hoare annotation was computed. [2019-09-20 13:07:17,406 INFO L439 ceAbstractionStarter]: At program point L1004(lines 959 1006) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:17,406 INFO L439 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:17,407 INFO L443 ceAbstractionStarter]: For program point L969(lines 969 975) no Hoare annotation was computed. [2019-09-20 13:07:17,407 INFO L443 ceAbstractionStarter]: For program point L969-1(lines 969 975) no Hoare annotation was computed. [2019-09-20 13:07:17,407 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-09-20 13:07:17,407 INFO L439 ceAbstractionStarter]: At program point L1007(lines 958 1008) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:17,407 INFO L439 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) (and .cse0 (not (= 0 ~systemActive~0)))) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:17,407 INFO L443 ceAbstractionStarter]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2019-09-20 13:07:17,407 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 949 1014) no Hoare annotation was computed. [2019-09-20 13:07:17,407 INFO L439 ceAbstractionStarter]: At program point L995-1(lines 989 1002) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:17,408 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:07:17,408 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:07:17,408 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:07:17,408 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-09-20 13:07:17,408 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:07:17,408 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:07:17,408 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 806 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:17,408 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 806 813) no Hoare annotation was computed. [2019-09-20 13:07:17,409 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 806 813) no Hoare annotation was computed. [2019-09-20 13:07:17,409 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 672 680) no Hoare annotation was computed. [2019-09-20 13:07:17,409 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 672 680) the Hoare annotation is: true [2019-09-20 13:07:17,409 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 672 680) no Hoare annotation was computed. [2019-09-20 13:07:17,409 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 642) no Hoare annotation was computed. [2019-09-20 13:07:17,409 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 626 648) no Hoare annotation was computed. [2019-09-20 13:07:17,409 INFO L443 ceAbstractionStarter]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2019-09-20 13:07:17,409 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 626 648) no Hoare annotation was computed. [2019-09-20 13:07:17,410 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 626 648) no Hoare annotation was computed. [2019-09-20 13:07:17,410 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-09-20 13:07:17,410 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:07:17,410 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-09-20 13:07:17,410 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-09-20 13:07:17,410 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-09-20 13:07:17,410 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-09-20 13:07:17,411 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:07:17,412 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-09-20 13:07:17,412 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-09-20 13:07:17,412 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 511 520) no Hoare annotation was computed. [2019-09-20 13:07:17,412 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 511 520) no Hoare annotation was computed. [2019-09-20 13:07:17,412 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 511 520) no Hoare annotation was computed. [2019-09-20 13:07:17,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:17,412 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:07:17,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:17,413 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2019-09-20 13:07:17,413 INFO L439 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:17,413 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 814 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:17,413 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2019-09-20 13:07:17,413 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 827) no Hoare annotation was computed. [2019-09-20 13:07:17,413 INFO L439 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:17,413 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-09-20 13:07:17,414 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 649 657) the Hoare annotation is: true [2019-09-20 13:07:17,414 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 649 657) no Hoare annotation was computed. [2019-09-20 13:07:17,414 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 649 657) no Hoare annotation was computed. [2019-09-20 13:07:17,414 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2019-09-20 13:07:17,414 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2019-09-20 13:07:17,414 INFO L446 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2019-09-20 13:07:17,414 INFO L443 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2019-09-20 13:07:17,414 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2019-09-20 13:07:17,415 INFO L443 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2019-09-20 13:07:17,415 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2019-09-20 13:07:17,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:17,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:07:17,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:17,415 INFO L443 ceAbstractionStarter]: For program point L609-1(lines 605 616) no Hoare annotation was computed. [2019-09-20 13:07:17,415 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 605 616) the Hoare annotation is: true [2019-09-20 13:07:17,416 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 605 616) no Hoare annotation was computed. [2019-09-20 13:07:17,416 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or (= ~systemActive~0 0) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1))) [2019-09-20 13:07:17,416 INFO L443 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2019-09-20 13:07:17,416 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:07:17,416 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2019-09-20 13:07:17,416 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2019-09-20 13:07:17,417 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse1))) (= ~systemActive~0 0) (and .cse2 .cse0) (not (<= 2 |old(~waterLevel~0)|)))))) [2019-09-20 13:07:17,417 INFO L439 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse7 .cse9 (not (= 0 ~systemActive~0)))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse9 .cse6))) (and (or (or .cse0 .cse1) .cse2 .cse3) (let ((.cse8 (+ ~waterLevel~0 1))) (let ((.cse4 (<= .cse8 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| .cse8))) (or (= ~systemActive~0 0) .cse2 .cse1 (and .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse5)))) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-20 13:07:17,417 INFO L446 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2019-09-20 13:07:17,417 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2019-09-20 13:07:17,417 INFO L446 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2019-09-20 13:07:17,417 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-09-20 13:07:17,418 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2019-09-20 13:07:17,418 INFO L446 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2019-09-20 13:07:17,418 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-09-20 13:07:17,418 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-09-20 13:07:17,418 INFO L446 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2019-09-20 13:07:17,418 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-09-20 13:07:17,418 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 617 625) the Hoare annotation is: true [2019-09-20 13:07:17,419 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 617 625) no Hoare annotation was computed. [2019-09-20 13:07:17,419 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 617 625) no Hoare annotation was computed. [2019-09-20 13:07:17,419 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 581 592) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:07:17,419 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 581 592) no Hoare annotation was computed. [2019-09-20 13:07:17,419 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2019-09-20 13:07:17,419 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2019-09-20 13:07:17,419 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2019-09-20 13:07:17,419 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:17,420 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:07:17,420 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:07:17,420 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:17,420 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-09-20 13:07:17,420 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:17,420 INFO L439 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:17,420 INFO L443 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2019-09-20 13:07:17,421 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-09-20 13:07:17,421 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2019-09-20 13:07:17,421 INFO L439 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:17,421 INFO L443 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2019-09-20 13:07:17,421 INFO L439 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:17,421 INFO L439 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:17,421 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 593 604) no Hoare annotation was computed. [2019-09-20 13:07:17,421 INFO L443 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2019-09-20 13:07:17,422 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:07:17,422 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 682 689) no Hoare annotation was computed. [2019-09-20 13:07:17,422 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-09-20 13:07:17,422 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 682 689) the Hoare annotation is: true [2019-09-20 13:07:17,422 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 682 689) no Hoare annotation was computed. [2019-09-20 13:07:17,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:07:17 BoogieIcfgContainer [2019-09-20 13:07:17,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:07:17,440 INFO L168 Benchmark]: Toolchain (without parser) took 24755.14 ms. Allocated memory was 131.6 MB in the beginning and 643.3 MB in the end (delta: 511.7 MB). Free memory was 86.7 MB in the beginning and 277.4 MB in the end (delta: -190.7 MB). Peak memory consumption was 526.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:17,441 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:07:17,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.46 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 161.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:17,444 INFO L168 Benchmark]: Boogie Preprocessor took 98.37 ms. Allocated memory is still 199.2 MB. Free memory was 161.7 MB in the beginning and 157.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:17,445 INFO L168 Benchmark]: RCFGBuilder took 1379.62 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 157.1 MB in the beginning and 183.3 MB in the end (delta: -26.2 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:17,446 INFO L168 Benchmark]: TraceAbstraction took 22513.15 ms. Allocated memory was 221.2 MB in the beginning and 643.3 MB in the end (delta: 422.1 MB). Free memory was 183.3 MB in the beginning and 277.4 MB in the end (delta: -94.1 MB). Peak memory consumption was 533.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:17,450 INFO L335 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 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.46 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 161.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.37 ms. Allocated memory is still 199.2 MB. Free memory was 161.7 MB in the beginning and 157.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1379.62 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 157.1 MB in the beginning and 183.3 MB in the end (delta: -26.2 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22513.15 ms. Allocated memory was 221.2 MB in the beginning and 643.3 MB in the end (delta: 422.1 MB). Free memory was 183.3 MB in the beginning and 277.4 MB in the end (delta: -94.1 MB). Peak memory consumption was 533.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: 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: 958]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. SAFE Result, 22.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 12.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2256 SDtfs, 2906 SDslu, 7437 SDs, 0 SdLazy, 8718 SolverSat, 1787 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1283 GetRequests, 1121 SyntacticMatches, 1 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2294occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 901 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4774 PreInvPairs, 4893 NumberOfFragments, 1173 HoareAnnotationTreeSize, 4774 FomulaSimplifications, 18245 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 12697 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2418 NumberOfCodeBlocks, 2418 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2401 ConstructedInterpolants, 0 QuantifiedInterpolants, 609240 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5718 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 794/882 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...