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_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:05:04,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:05:04,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:05:04,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:05:04,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:05:04,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:05:04,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:05:04,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:05:04,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:05:04,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:05:04,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:05:04,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:05:04,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:05:04,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:05:04,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:05:04,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:05:04,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:05:04,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:05:04,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:05:04,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:05:04,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:05:04,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:05:04,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:05:04,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:05:04,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:05:04,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:05:04,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:05:04,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:05:04,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:05:04,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:05:04,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:05:04,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:05:04,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:05:04,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:05:04,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:05:04,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:05:04,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:05:04,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:05:04,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:05:04,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:05:04,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:05:04,680 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 13:05:04,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:05:04,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:05:04,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:05:04,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:05:04,708 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:05:04,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:05:04,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:05:04,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:05:04,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:05:04,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:05:04,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:05:04,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:05:04,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:05:04,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:05:04,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:05:04,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:05:04,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:05:04,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:05:04,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:05:04,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:05:04,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:05:04,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:04,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:05:04,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:05:04,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:05:04,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:05:04,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:05:04,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:05:04,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:05:04,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:05:04,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:05:04,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:05:04,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:05:04,769 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:05:04,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-09-20 13:05:04,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14bbb1de4/aa6494239e0b4f668b3875de333883a1/FLAG699b4794a [2019-09-20 13:05:05,379 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:05:05,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-09-20 13:05:05,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14bbb1de4/aa6494239e0b4f668b3875de333883a1/FLAG699b4794a [2019-09-20 13:05:05,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14bbb1de4/aa6494239e0b4f668b3875de333883a1 [2019-09-20 13:05:05,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:05:05,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:05:05,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:05,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:05:05,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:05:05,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:05" (1/1) ... [2019-09-20 13:05:05,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3143413b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:05, skipping insertion in model container [2019-09-20 13:05:05,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:05" (1/1) ... [2019-09-20 13:05:05,696 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:05:05,758 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:05:06,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:06,252 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:05:06,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:06,443 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:05:06,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06 WrapperNode [2019-09-20 13:05:06,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:06,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:05:06,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:05:06,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:05:06,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (1/1) ... [2019-09-20 13:05:06,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (1/1) ... [2019-09-20 13:05:06,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (1/1) ... [2019-09-20 13:05:06,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (1/1) ... [2019-09-20 13:05:06,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (1/1) ... [2019-09-20 13:05:06,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (1/1) ... [2019-09-20 13:05:06,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (1/1) ... [2019-09-20 13:05:06,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:05:06,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:05:06,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:05:06,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:05:06,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (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 13:05:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:05:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:05:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:05:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:05:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:05:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:05:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:05:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:05:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:05:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:05:06,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:05:06,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:05:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:05:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:05:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:05:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:05:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:05:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:05:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:05:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:05:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:05:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:05:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:05:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:05:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:05:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:05:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:05:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:05:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:05:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:05:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:05:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:05:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:05:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:05:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:05:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:05:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:05:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:05:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:05:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:05:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:05:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:05:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:05:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:05:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:05:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:05:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:05:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:05:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:05:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:05:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:05:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:05:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:05:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:05:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:05:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:05:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:05:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:05:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:05:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:05:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:05:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:05:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:05:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:05:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:05:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:05:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:05:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:05:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:05:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:05:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:05:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:05:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:05:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:05:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:05:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:05:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:05:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:05:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:05:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:05:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:05:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:05:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:05:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:07,857 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:07,857 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:07,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:07 BoogieIcfgContainer [2019-09-20 13:05:07,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:07,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:07,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:07,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:07,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:05:05" (1/3) ... [2019-09-20 13:05:07,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38927484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:07, skipping insertion in model container [2019-09-20 13:05:07,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:06" (2/3) ... [2019-09-20 13:05:07,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38927484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:07, skipping insertion in model container [2019-09-20 13:05:07,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:07" (3/3) ... [2019-09-20 13:05:07,894 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-09-20 13:05:07,905 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:07,918 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:07,935 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:07,970 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:07,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:07,970 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:07,971 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:07,971 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:07,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:07,971 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:07,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:07,971 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:07,996 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-09-20 13:05:08,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:05:08,007 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:08,008 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 13:05:08,011 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:08,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:08,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083297, now seen corresponding path program 1 times [2019-09-20 13:05:08,018 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:08,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:08,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:08,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:08,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:08,404 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 13:05:08,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:08,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:08,411 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:08,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:08,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:08,429 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-09-20 13:05:08,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:08,474 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2019-09-20 13:05:08,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:08,476 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:05:08,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:08,490 INFO L225 Difference]: With dead ends: 270 [2019-09-20 13:05:08,490 INFO L226 Difference]: Without dead ends: 137 [2019-09-20 13:05:08,495 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 13:05:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-09-20 13:05:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-09-20 13:05:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-09-20 13:05:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-09-20 13:05:08,553 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2019-09-20 13:05:08,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:08,554 INFO L475 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-09-20 13:05:08,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-09-20 13:05:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:08,559 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:08,560 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] [2019-09-20 13:05:08,561 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:08,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:08,561 INFO L82 PathProgramCache]: Analyzing trace with hash 604742129, now seen corresponding path program 1 times [2019-09-20 13:05:08,562 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:08,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:08,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:08,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:08,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:08,767 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 13:05:08,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:08,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:08,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:08,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:08,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:08,772 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2019-09-20 13:05:08,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:08,822 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2019-09-20 13:05:08,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:08,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:05:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:08,826 INFO L225 Difference]: With dead ends: 215 [2019-09-20 13:05:08,826 INFO L226 Difference]: Without dead ends: 128 [2019-09-20 13:05:08,828 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 13:05:08,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-09-20 13:05:08,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-09-20 13:05:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-20 13:05:08,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2019-09-20 13:05:08,844 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2019-09-20 13:05:08,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:08,845 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2019-09-20 13:05:08,845 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2019-09-20 13:05:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:05:08,848 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:08,848 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 13:05:08,848 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:08,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:08,849 INFO L82 PathProgramCache]: Analyzing trace with hash -185652476, now seen corresponding path program 1 times [2019-09-20 13:05:08,849 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:08,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:08,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:08,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:08,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:09,004 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 13:05:09,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:09,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:09,005 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:09,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:09,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:09,006 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2019-09-20 13:05:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:09,377 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2019-09-20 13:05:09,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:09,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-20 13:05:09,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:09,382 INFO L225 Difference]: With dead ends: 228 [2019-09-20 13:05:09,383 INFO L226 Difference]: Without dead ends: 128 [2019-09-20 13:05:09,387 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 13:05:09,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-09-20 13:05:09,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-09-20 13:05:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-20 13:05:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2019-09-20 13:05:09,420 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2019-09-20 13:05:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:09,420 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2019-09-20 13:05:09,421 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2019-09-20 13:05:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:05:09,424 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:09,424 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:09,425 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:09,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:09,425 INFO L82 PathProgramCache]: Analyzing trace with hash -285076691, now seen corresponding path program 1 times [2019-09-20 13:05:09,425 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:09,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:09,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:09,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:09,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:09,590 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 13:05:09,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:09,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:09,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:09,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:09,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:09,614 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 5 states. [2019-09-20 13:05:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:10,155 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2019-09-20 13:05:10,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:10,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-09-20 13:05:10,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:10,162 INFO L225 Difference]: With dead ends: 329 [2019-09-20 13:05:10,162 INFO L226 Difference]: Without dead ends: 229 [2019-09-20 13:05:10,167 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:10,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-09-20 13:05:10,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2019-09-20 13:05:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-20 13:05:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2019-09-20 13:05:10,222 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2019-09-20 13:05:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:10,223 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2019-09-20 13:05:10,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2019-09-20 13:05:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-20 13:05:10,231 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:10,231 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, 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 13:05:10,236 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:10,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:10,237 INFO L82 PathProgramCache]: Analyzing trace with hash -791027315, now seen corresponding path program 1 times [2019-09-20 13:05:10,237 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:10,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:10,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:10,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:10,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:10,350 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 13:05:10,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:10,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:10,352 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:10,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:10,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:10,353 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2019-09-20 13:05:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:10,581 INFO L93 Difference]: Finished difference Result 556 states and 656 transitions. [2019-09-20 13:05:10,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:10,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-09-20 13:05:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:10,593 INFO L225 Difference]: With dead ends: 556 [2019-09-20 13:05:10,593 INFO L226 Difference]: Without dead ends: 374 [2019-09-20 13:05:10,594 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:10,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-09-20 13:05:10,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2019-09-20 13:05:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-09-20 13:05:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2019-09-20 13:05:10,655 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2019-09-20 13:05:10,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:10,656 INFO L475 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2019-09-20 13:05:10,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2019-09-20 13:05:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:05:10,663 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:10,663 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, 1, 1, 1, 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 13:05:10,664 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:10,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:10,664 INFO L82 PathProgramCache]: Analyzing trace with hash 474237417, now seen corresponding path program 1 times [2019-09-20 13:05:10,664 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:10,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:10,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:10,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:10,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:10,810 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 13:05:10,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:10,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:10,811 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:10,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:10,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:10,812 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 7 states. [2019-09-20 13:05:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:11,478 INFO L93 Difference]: Finished difference Result 739 states and 868 transitions. [2019-09-20 13:05:11,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:05:11,478 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-09-20 13:05:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:11,482 INFO L225 Difference]: With dead ends: 739 [2019-09-20 13:05:11,483 INFO L226 Difference]: Without dead ends: 399 [2019-09-20 13:05:11,484 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-09-20 13:05:11,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 367. [2019-09-20 13:05:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-09-20 13:05:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2019-09-20 13:05:11,520 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2019-09-20 13:05:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:11,522 INFO L475 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2019-09-20 13:05:11,522 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2019-09-20 13:05:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:11,523 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:11,524 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, 1, 1, 1, 1, 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 13:05:11,524 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:11,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1710786942, now seen corresponding path program 1 times [2019-09-20 13:05:11,524 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:11,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:11,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:11,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:11,593 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 13:05:11,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:11,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:11,594 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:11,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:11,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:11,595 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 6 states. [2019-09-20 13:05:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:11,639 INFO L93 Difference]: Finished difference Result 716 states and 826 transitions. [2019-09-20 13:05:11,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:11,639 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-20 13:05:11,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:11,643 INFO L225 Difference]: With dead ends: 716 [2019-09-20 13:05:11,643 INFO L226 Difference]: Without dead ends: 377 [2019-09-20 13:05:11,645 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 13:05:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-09-20 13:05:11,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2019-09-20 13:05:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-09-20 13:05:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2019-09-20 13:05:11,671 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2019-09-20 13:05:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:11,672 INFO L475 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2019-09-20 13:05:11,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2019-09-20 13:05:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:11,674 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:11,674 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, 1, 1, 1, 1, 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 13:05:11,674 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:11,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1009187068, now seen corresponding path program 1 times [2019-09-20 13:05:11,675 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:11,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:11,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:11,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:11,784 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 13:05:11,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:11,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:05:11,786 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:11,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:11,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:11,788 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 8 states. [2019-09-20 13:05:11,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:11,870 INFO L93 Difference]: Finished difference Result 740 states and 860 transitions. [2019-09-20 13:05:11,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:11,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2019-09-20 13:05:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:11,877 INFO L225 Difference]: With dead ends: 740 [2019-09-20 13:05:11,877 INFO L226 Difference]: Without dead ends: 391 [2019-09-20 13:05:11,879 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:11,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-09-20 13:05:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 385. [2019-09-20 13:05:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-09-20 13:05:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2019-09-20 13:05:11,906 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2019-09-20 13:05:11,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:11,907 INFO L475 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2019-09-20 13:05:11,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2019-09-20 13:05:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:11,914 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:11,914 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, 1, 1, 1, 1, 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 13:05:11,914 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:11,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:11,915 INFO L82 PathProgramCache]: Analyzing trace with hash 716293829, now seen corresponding path program 1 times [2019-09-20 13:05:11,915 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:11,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:11,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:11,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:12,027 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 13:05:12,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:12,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:05:12,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:05:12,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:05:12,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:12,031 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 4 states. [2019-09-20 13:05:12,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:12,262 INFO L93 Difference]: Finished difference Result 1162 states and 1382 transitions. [2019-09-20 13:05:12,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:05:12,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-09-20 13:05:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:12,273 INFO L225 Difference]: With dead ends: 1162 [2019-09-20 13:05:12,274 INFO L226 Difference]: Without dead ends: 805 [2019-09-20 13:05:12,276 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:12,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2019-09-20 13:05:12,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 517. [2019-09-20 13:05:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2019-09-20 13:05:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 580 transitions. [2019-09-20 13:05:12,326 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 580 transitions. Word has length 89 [2019-09-20 13:05:12,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:12,327 INFO L475 AbstractCegarLoop]: Abstraction has 517 states and 580 transitions. [2019-09-20 13:05:12,327 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:05:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 580 transitions. [2019-09-20 13:05:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-20 13:05:12,329 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:12,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:12,329 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:12,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:12,330 INFO L82 PathProgramCache]: Analyzing trace with hash -7624597, now seen corresponding path program 1 times [2019-09-20 13:05:12,330 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:12,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:12,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:12,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:12,404 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 13:05:12,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:12,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:12,405 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:12,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:12,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:12,406 INFO L87 Difference]: Start difference. First operand 517 states and 580 transitions. Second operand 3 states. [2019-09-20 13:05:12,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:12,473 INFO L93 Difference]: Finished difference Result 796 states and 908 transitions. [2019-09-20 13:05:12,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:12,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-09-20 13:05:12,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:12,480 INFO L225 Difference]: With dead ends: 796 [2019-09-20 13:05:12,480 INFO L226 Difference]: Without dead ends: 793 [2019-09-20 13:05:12,481 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:05:12,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-09-20 13:05:12,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 662. [2019-09-20 13:05:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-09-20 13:05:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 753 transitions. [2019-09-20 13:05:12,528 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 753 transitions. Word has length 93 [2019-09-20 13:05:12,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:12,529 INFO L475 AbstractCegarLoop]: Abstraction has 662 states and 753 transitions. [2019-09-20 13:05:12,529 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 753 transitions. [2019-09-20 13:05:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-20 13:05:12,535 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:12,535 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, 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] [2019-09-20 13:05:12,535 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:12,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:12,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1116069495, now seen corresponding path program 1 times [2019-09-20 13:05:12,536 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:12,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:12,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:12,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:05:12,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:12,689 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 13:05:12,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:13,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:05:13,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:13,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:13,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-20 13:05:13,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:13,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:13,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:13,156 INFO L87 Difference]: Start difference. First operand 662 states and 753 transitions. Second operand 8 states. [2019-09-20 13:05:13,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:13,319 INFO L93 Difference]: Finished difference Result 1108 states and 1269 transitions. [2019-09-20 13:05:13,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:13,320 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2019-09-20 13:05:13,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:13,327 INFO L225 Difference]: With dead ends: 1108 [2019-09-20 13:05:13,327 INFO L226 Difference]: Without dead ends: 602 [2019-09-20 13:05:13,329 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:13,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-09-20 13:05:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-09-20 13:05:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-09-20 13:05:13,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 674 transitions. [2019-09-20 13:05:13,392 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 674 transitions. Word has length 152 [2019-09-20 13:05:13,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:13,392 INFO L475 AbstractCegarLoop]: Abstraction has 602 states and 674 transitions. [2019-09-20 13:05:13,392 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 674 transitions. [2019-09-20 13:05:13,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-20 13:05:13,396 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:13,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:13,397 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:13,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:13,397 INFO L82 PathProgramCache]: Analyzing trace with hash -2117638775, now seen corresponding path program 1 times [2019-09-20 13:05:13,397 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:13,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:13,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:13,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:13,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-20 13:05:13,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:13,519 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 13:05:13,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:13,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:05:13,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:05:13,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:13,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2019-09-20 13:05:13,835 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:13,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:13,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:13,836 INFO L87 Difference]: Start difference. First operand 602 states and 674 transitions. Second operand 7 states. [2019-09-20 13:05:14,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:14,712 INFO L93 Difference]: Finished difference Result 1528 states and 1860 transitions. [2019-09-20 13:05:14,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:14,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2019-09-20 13:05:14,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:14,719 INFO L225 Difference]: With dead ends: 1528 [2019-09-20 13:05:14,720 INFO L226 Difference]: Without dead ends: 1082 [2019-09-20 13:05:14,722 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:14,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2019-09-20 13:05:14,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 988. [2019-09-20 13:05:14,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2019-09-20 13:05:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1136 transitions. [2019-09-20 13:05:14,802 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1136 transitions. Word has length 154 [2019-09-20 13:05:14,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:14,802 INFO L475 AbstractCegarLoop]: Abstraction has 988 states and 1136 transitions. [2019-09-20 13:05:14,802 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1136 transitions. [2019-09-20 13:05:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-20 13:05:14,806 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:14,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:14,807 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:14,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:14,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1764550393, now seen corresponding path program 1 times [2019-09-20 13:05:14,807 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:14,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:14,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:14,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:14,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-20 13:05:15,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:15,124 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 13:05:15,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:15,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:05:15,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:15,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:15,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:05:15,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:05:15,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:05:15,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:05:15,559 INFO L87 Difference]: Start difference. First operand 988 states and 1136 transitions. Second operand 16 states. [2019-09-20 13:05:17,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:17,579 INFO L93 Difference]: Finished difference Result 3063 states and 3933 transitions. [2019-09-20 13:05:17,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:05:17,580 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 154 [2019-09-20 13:05:17,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:17,597 INFO L225 Difference]: With dead ends: 3063 [2019-09-20 13:05:17,598 INFO L226 Difference]: Without dead ends: 2235 [2019-09-20 13:05:17,603 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:05:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2019-09-20 13:05:17,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 1871. [2019-09-20 13:05:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2019-09-20 13:05:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2174 transitions. [2019-09-20 13:05:17,784 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2174 transitions. Word has length 154 [2019-09-20 13:05:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:17,784 INFO L475 AbstractCegarLoop]: Abstraction has 1871 states and 2174 transitions. [2019-09-20 13:05:17,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:05:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2174 transitions. [2019-09-20 13:05:17,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-20 13:05:17,788 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:17,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:17,788 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:17,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:17,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1836936951, now seen corresponding path program 1 times [2019-09-20 13:05:17,789 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:17,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:17,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:17,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:17,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:17,910 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-20 13:05:17,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:17,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:05:17,914 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:05:17,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:05:17,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:17,916 INFO L87 Difference]: Start difference. First operand 1871 states and 2174 transitions. Second operand 9 states. [2019-09-20 13:05:18,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:18,014 INFO L93 Difference]: Finished difference Result 2354 states and 2739 transitions. [2019-09-20 13:05:18,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:05:18,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2019-09-20 13:05:18,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:18,016 INFO L225 Difference]: With dead ends: 2354 [2019-09-20 13:05:18,016 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:05:18,021 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:05:18,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:05:18,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:05:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:05:18,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2019-09-20 13:05:18,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:18,023 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:05:18,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:05:18,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:05:18,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:05:18,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:05:19,297 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-09-20 13:05:19,531 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 30 [2019-09-20 13:05:19,755 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2019-09-20 13:05:19,956 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-09-20 13:05:20,060 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2019-09-20 13:05:20,321 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-09-20 13:05:20,474 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2019-09-20 13:05:20,742 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2019-09-20 13:05:21,030 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-09-20 13:05:21,191 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2019-09-20 13:05:21,348 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-09-20 13:05:21,684 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2019-09-20 13:05:21,925 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-09-20 13:05:22,237 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-09-20 13:05:22,486 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2019-09-20 13:05:22,716 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2019-09-20 13:05:22,970 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2019-09-20 13:05:23,318 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-09-20 13:05:23,534 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 35 [2019-09-20 13:05:23,766 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 35 [2019-09-20 13:05:23,999 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 35 [2019-09-20 13:05:24,137 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2019-09-20 13:05:24,141 INFO L443 ceAbstractionStarter]: For program point L705(lines 682 706) no Hoare annotation was computed. [2019-09-20 13:05:24,141 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 658 713) no Hoare annotation was computed. [2019-09-20 13:05:24,141 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 693) no Hoare annotation was computed. [2019-09-20 13:05:24,141 INFO L443 ceAbstractionStarter]: For program point L689-1(lines 689 693) no Hoare annotation was computed. [2019-09-20 13:05:24,142 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-09-20 13:05:24,142 INFO L443 ceAbstractionStarter]: For program point L683-2(lines 683 704) no Hoare annotation was computed. [2019-09-20 13:05:24,142 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 658 713) no Hoare annotation was computed. [2019-09-20 13:05:24,142 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 658 713) no Hoare annotation was computed. [2019-09-20 13:05:24,142 INFO L443 ceAbstractionStarter]: For program point L766(lines 739 767) no Hoare annotation was computed. [2019-09-20 13:05:24,142 INFO L443 ceAbstractionStarter]: For program point L759(line 759) no Hoare annotation was computed. [2019-09-20 13:05:24,142 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 714 773) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 714 773) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 714 773) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L443 ceAbstractionStarter]: For program point L746-1(lines 746 750) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L443 ceAbstractionStarter]: For program point L740-2(lines 740 765) no Hoare annotation was computed. [2019-09-20 13:05:24,143 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-20 13:05:24,144 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-20 13:05:24,144 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:05:24,144 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-20 13:05:24,144 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:05:24,144 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-20 13:05:24,144 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2019-09-20 13:05:24,144 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2019-09-20 13:05:24,144 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:24,145 INFO L439 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:24,145 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2019-09-20 13:05:24,145 INFO L443 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2019-09-20 13:05:24,145 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-09-20 13:05:24,145 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-20 13:05:24,146 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-20 13:05:24,146 INFO L439 ceAbstractionStarter]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-20 13:05:24,146 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-09-20 13:05:24,146 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-20 13:05:24,146 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2019-09-20 13:05:24,146 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-09-20 13:05:24,147 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2019-09-20 13:05:24,148 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2019-09-20 13:05:24,148 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-09-20 13:05:24,148 INFO L446 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 483) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 471) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 456 491) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2019-09-20 13:05:24,149 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 456 491) no Hoare annotation was computed. [2019-09-20 13:05:24,150 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-09-20 13:05:24,150 INFO L443 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2019-09-20 13:05:24,150 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 456 491) no Hoare annotation was computed. [2019-09-20 13:05:24,150 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-20 13:05:24,150 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-20 13:05:24,150 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 612 657) no Hoare annotation was computed. [2019-09-20 13:05:24,150 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 612 657) no Hoare annotation was computed. [2019-09-20 13:05:24,151 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 612 657) no Hoare annotation was computed. [2019-09-20 13:05:24,151 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 925 970) no Hoare annotation was computed. [2019-09-20 13:05:24,151 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 952) no Hoare annotation was computed. [2019-09-20 13:05:24,151 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 959) no Hoare annotation was computed. [2019-09-20 13:05:24,151 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 925 970) no Hoare annotation was computed. [2019-09-20 13:05:24,151 INFO L443 ceAbstractionStarter]: For program point L939-1(lines 939 959) no Hoare annotation was computed. [2019-09-20 13:05:24,151 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 925 970) no Hoare annotation was computed. [2019-09-20 13:05:24,152 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-20 13:05:24,152 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2019-09-20 13:05:24,152 INFO L439 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-20 13:05:24,152 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2019-09-20 13:05:24,152 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 436 446) no Hoare annotation was computed. [2019-09-20 13:05:24,152 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 436 446) no Hoare annotation was computed. [2019-09-20 13:05:24,152 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-09-20 13:05:24,153 INFO L443 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2019-09-20 13:05:24,153 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 436 446) no Hoare annotation was computed. [2019-09-20 13:05:24,153 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (<= 1 ~waterLevel~0)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:05:24,153 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2019-09-20 13:05:24,153 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2019-09-20 13:05:24,153 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2019-09-20 13:05:24,153 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2019-09-20 13:05:24,154 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2019-09-20 13:05:24,154 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2019-09-20 13:05:24,154 INFO L439 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse3 .cse2 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:24,154 INFO L443 ceAbstractionStarter]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2019-09-20 13:05:24,154 INFO L439 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2019-09-20 13:05:24,155 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2019-09-20 13:05:24,155 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (and (= ~pumpRunning~0 1) (= 1 processEnvironment_~tmp~3)) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2))) [2019-09-20 13:05:24,155 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (or .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse3) (or .cse3 .cse0 (or .cse2 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:24,155 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-09-20 13:05:24,155 INFO L439 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 1) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2019-09-20 13:05:24,155 INFO L443 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2019-09-20 13:05:24,155 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2019-09-20 13:05:24,156 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2019-09-20 13:05:24,156 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2019-09-20 13:05:24,156 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-20 13:05:24,156 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2019-09-20 13:05:24,156 INFO L439 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:24,156 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-09-20 13:05:24,157 INFO L439 ceAbstractionStarter]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:24,157 INFO L443 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2019-09-20 13:05:24,157 INFO L439 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:24,157 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2019-09-20 13:05:24,157 INFO L439 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:24,158 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-09-20 13:05:24,158 INFO L443 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2019-09-20 13:05:24,158 INFO L439 ceAbstractionStarter]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1)))) [2019-09-20 13:05:24,158 INFO L439 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1)))) [2019-09-20 13:05:24,158 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 913) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 879 924) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 879 924) no Hoare annotation was computed. [2019-09-20 13:05:24,159 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 879 924) no Hoare annotation was computed. [2019-09-20 13:05:24,160 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-09-20 13:05:24,160 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2019-09-20 13:05:24,160 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2019-09-20 13:05:24,160 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2019-09-20 13:05:24,160 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-09-20 13:05:24,160 INFO L439 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0) (not (<= 1 ~waterLevel~0))) (or .cse1 .cse2 (or .cse0 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse2 .cse0 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2019-09-20 13:05:24,161 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-09-20 13:05:24,161 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2019-09-20 13:05:24,161 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse3 .cse6) (not (<= 1 ~waterLevel~0))) (or .cse1 .cse2 (or .cse3 .cse6)) (or .cse5 .cse0 .cse3 (not (= ~waterLevel~0 1)) .cse4))) [2019-09-20 13:05:24,161 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-09-20 13:05:24,161 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-09-20 13:05:24,161 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2019-09-20 13:05:24,162 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-09-20 13:05:24,162 INFO L443 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2019-09-20 13:05:24,162 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2019-09-20 13:05:24,162 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2019-09-20 13:05:24,162 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2019-09-20 13:05:24,162 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2019-09-20 13:05:24,162 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 291) no Hoare annotation was computed. [2019-09-20 13:05:24,186 INFO L443 ceAbstractionStarter]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2019-09-20 13:05:24,186 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 275 297) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 275 297) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 275 297) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 872) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 776 878) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point L826(lines 825 845) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 863) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-09-20 13:05:24,187 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 776 878) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 875) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 831) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point L825-2(lines 825 845) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 776 878) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point L846(lines 824 847) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 821) no Hoare annotation was computed. [2019-09-20 13:05:24,188 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:24,188 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 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse3))) [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 298 306) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 298 306) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 298 306) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L446 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: true [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2019-09-20 13:05:24,189 INFO L443 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2019-09-20 13:05:24,190 INFO L443 ceAbstractionStarter]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2019-09-20 13:05:24,190 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) (or .cse1 .cse2) .cse3) (or (or (not (= 0 ~pumpRunning~0)) .cse1 .cse2) .cse0 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-09-20 13:05:24,190 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2019-09-20 13:05:24,190 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:24,190 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:05:24,190 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:24,190 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse2) (or .cse1 .cse3 .cse4 .cse2 .cse0) (or .cse1 .cse3 .cse4 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (= ~pumpRunning~0 1))))) [2019-09-20 13:05:24,190 INFO L439 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 |old(~pumpRunning~0)|))) (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= 1 |old(~waterLevel~0)|)) (or .cse2 .cse1) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse3 .cse4) .cse5 (and .cse3 .cse0))) (or .cse2 .cse4 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse5))) [2019-09-20 13:05:24,191 INFO L439 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse3))) [2019-09-20 13:05:24,191 INFO L443 ceAbstractionStarter]: For program point L341(lines 340 359) no Hoare annotation was computed. [2019-09-20 13:05:24,191 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= ~pumpRunning~0 1) .cse5) .cse1 .cse2 .cse3) (or (and .cse5 (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse4))) [2019-09-20 13:05:24,191 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2019-09-20 13:05:24,191 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2019-09-20 13:05:24,191 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2019-09-20 13:05:24,191 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-09-20 13:05:24,191 INFO L446 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2019-09-20 13:05:24,191 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2019-09-20 13:05:24,191 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-20 13:05:24,191 INFO L446 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2019-09-20 13:05:24,191 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-09-20 13:05:24,192 INFO L443 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-09-20 13:05:24,192 INFO L446 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2019-09-20 13:05:24,192 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-09-20 13:05:24,192 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2019-09-20 13:05:24,192 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2019-09-20 13:05:24,192 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2019-09-20 13:05:24,192 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~systemActive~0 1))) [2019-09-20 13:05:24,192 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2019-09-20 13:05:24,192 INFO L443 ceAbstractionStarter]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2019-09-20 13:05:24,193 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2019-09-20 13:05:24,193 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2019-09-20 13:05:24,193 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:24,193 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-09-20 13:05:24,193 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:05:24,193 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:24,193 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2019-09-20 13:05:24,193 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) (or (not (= 0 ~pumpRunning~0)) .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0))))) [2019-09-20 13:05:24,193 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2019-09-20 13:05:24,194 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse3 .cse2 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:24,194 INFO L439 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (not (<= 1 ~waterLevel~0)) .cse2) (or .cse2 (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2019-09-20 13:05:24,194 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2019-09-20 13:05:24,194 INFO L439 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (not (<= 1 ~waterLevel~0)) (and .cse2 .cse3)) (or (or .cse0 .cse1) (not .cse2) .cse3 .cse4) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse4))) [2019-09-20 13:05:24,194 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-09-20 13:05:24,194 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse3 .cse2 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:24,194 INFO L443 ceAbstractionStarter]: For program point L375-1(line 375) no Hoare annotation was computed. [2019-09-20 13:05:24,194 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2019-09-20 13:05:24,194 INFO L439 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2019-09-20 13:05:24,194 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2019-09-20 13:05:24,195 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2019-09-20 13:05:24,195 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2019-09-20 13:05:24,195 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~pumpRunning~0))))) [2019-09-20 13:05:24,195 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-09-20 13:05:24,195 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2019-09-20 13:05:24,195 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2019-09-20 13:05:24,195 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2019-09-20 13:05:24,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:05:24 BoogieIcfgContainer [2019-09-20 13:05:24,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:05:24,227 INFO L168 Benchmark]: Toolchain (without parser) took 18547.42 ms. Allocated memory was 131.1 MB in the beginning and 551.0 MB in the end (delta: 420.0 MB). Free memory was 86.0 MB in the beginning and 505.7 MB in the end (delta: -419.7 MB). Peak memory consumption was 435.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:24,233 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:05:24,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.09 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.8 MB in the beginning and 164.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:24,236 INFO L168 Benchmark]: Boogie Preprocessor took 105.19 ms. Allocated memory is still 198.7 MB. Free memory was 164.7 MB in the beginning and 160.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:24,236 INFO L168 Benchmark]: RCFGBuilder took 1308.98 ms. Allocated memory is still 198.7 MB. Free memory was 160.6 MB in the beginning and 73.4 MB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:24,237 INFO L168 Benchmark]: TraceAbstraction took 16363.73 ms. Allocated memory was 198.7 MB in the beginning and 551.0 MB in the end (delta: 352.3 MB). Free memory was 73.4 MB in the beginning and 505.7 MB in the end (delta: -432.3 MB). Peak memory consumption was 355.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:24,244 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.09 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.8 MB in the beginning and 164.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.19 ms. Allocated memory is still 198.7 MB. Free memory was 164.7 MB in the beginning and 160.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1308.98 ms. Allocated memory is still 198.7 MB. Free memory was 160.6 MB in the beginning and 73.4 MB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16363.73 ms. Allocated memory was 198.7 MB in the beginning and 551.0 MB in the end (delta: 352.3 MB). Free memory was 73.4 MB in the beginning and 505.7 MB in the end (delta: -432.3 MB). Peak memory consumption was 355.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. SAFE Result, 16.2s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 5.6s AutomataDifference, 0.0s DeadEndRemovalTime, 6.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2426 SDtfs, 2493 SDslu, 5208 SDs, 0 SdLazy, 2730 SolverSat, 1235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 617 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1871occurred in iteration=13, 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: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 940 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2338 PreInvPairs, 2423 NumberOfFragments, 1914 HoareAnnotationTreeSize, 2338 FomulaSimplifications, 17715 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20178 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1836 NumberOfCodeBlocks, 1836 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1819 ConstructedInterpolants, 0 QuantifiedInterpolants, 353815 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2784 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 276/290 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...