/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:01:31,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:01:31,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:01:31,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:01:31,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:01:31,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:01:31,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:01:31,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:01:31,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:01:31,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:01:31,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:01:31,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:01:31,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:01:31,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:01:31,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:01:31,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:01:31,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:01:31,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:01:31,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:01:31,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:01:31,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:01:31,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:01:31,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:01:31,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:01:31,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:01:31,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:01:31,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:01:31,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:01:31,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:01:31,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:01:31,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:01:31,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:01:31,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:01:31,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:01:31,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:01:31,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:01:31,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:01:31,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:01:31,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:01:31,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:01:31,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:01:31,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:01:31,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:01:31,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:01:31,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:01:31,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:01:31,760 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:01:31,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:01:31,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:01:31,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:01:31,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:01:31,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:01:31,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:01:31,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:01:31,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:01:31,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:01:31,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:01:31,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:01:31,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:01:31,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:01:31,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:01:31,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:01:31,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:01:31,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:01:31,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:01:31,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:01:31,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:01:31,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:01:31,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:01:31,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:01:31,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:01:31,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:01:32,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:01:32,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:01:32,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:01:32,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:01:32,065 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:01:32,065 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-07-19 21:01:32,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc4e8bcc/f5e632246d3749198c71c91be40ade57/FLAGfa6493e6d [2020-07-19 21:01:32,638 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:01:32,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-07-19 21:01:32,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc4e8bcc/f5e632246d3749198c71c91be40ade57/FLAGfa6493e6d [2020-07-19 21:01:32,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc4e8bcc/f5e632246d3749198c71c91be40ade57 [2020-07-19 21:01:32,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:01:32,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:01:32,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:01:32,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:01:32,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:01:32,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:01:32" (1/1) ... [2020-07-19 21:01:32,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab5f492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:32, skipping insertion in model container [2020-07-19 21:01:32,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:01:32" (1/1) ... [2020-07-19 21:01:32,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:01:33,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:01:33,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:01:33,488 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:01:33,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:01:33,603 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:01:33,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33 WrapperNode [2020-07-19 21:01:33,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:01:33,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:01:33,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:01:33,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:01:33,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... [2020-07-19 21:01:33,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... [2020-07-19 21:01:33,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... [2020-07-19 21:01:33,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... [2020-07-19 21:01:33,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... [2020-07-19 21:01:33,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... [2020-07-19 21:01:33,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... [2020-07-19 21:01:33,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:01:33,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:01:33,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:01:33,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:01:33,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:01:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:01:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:01:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:01:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:01:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:01:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:01:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:01:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:01:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:01:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 21:01:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:01:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:01:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:01:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-19 21:01:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:01:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:01:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:01:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:01:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:01:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:01:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 21:01:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:01:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:01:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:01:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:01:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:01:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:01:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:01:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:01:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:01:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:01:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:01:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:01:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:01:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:01:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:01:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:01:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:01:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:01:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:01:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:01:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:01:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:01:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:01:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:01:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:01:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:01:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:01:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:01:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 21:01:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 21:01:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:01:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:01:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:01:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:01:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:01:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:01:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:01:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:01:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-19 21:01:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:01:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:01:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:01:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:01:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:01:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:01:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:01:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:01:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:01:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:01:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:01:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:01:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:01:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:01:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:01:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:01:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:01:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:01:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:01:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:01:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:01:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:01:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:01:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:01:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:01:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:01:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:01:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:01:36,891 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:01:36,892 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:01:36,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:01:36 BoogieIcfgContainer [2020-07-19 21:01:36,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:01:36,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:01:36,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:01:36,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:01:36,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:01:32" (1/3) ... [2020-07-19 21:01:36,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c31d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:01:36, skipping insertion in model container [2020-07-19 21:01:36,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:33" (2/3) ... [2020-07-19 21:01:36,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c31d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:01:36, skipping insertion in model container [2020-07-19 21:01:36,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:01:36" (3/3) ... [2020-07-19 21:01:36,906 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-07-19 21:01:36,917 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:01:36,926 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:01:36,937 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:01:36,962 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:01:36,962 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:01:36,962 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:01:36,963 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:01:36,963 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:01:36,963 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:01:36,963 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:01:36,963 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:01:36,985 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-19 21:01:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 21:01:36,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:36,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:01:36,996 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:37,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:37,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1570984683, now seen corresponding path program 1 times [2020-07-19 21:01:37,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:37,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918674292] [2020-07-19 21:01:37,012 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741d058 [2020-07-19 21:01:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,712 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:37,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918674292] [2020-07-19 21:01:37,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:37,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 21:01:37,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940529089] [2020-07-19 21:01:37,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:01:37,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:37,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:01:37,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:01:37,864 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-07-19 21:01:38,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:38,934 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-07-19 21:01:38,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:01:38,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 21:01:38,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:38,950 INFO L225 Difference]: With dead ends: 228 [2020-07-19 21:01:38,951 INFO L226 Difference]: Without dead ends: 125 [2020-07-19 21:01:38,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:01:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-19 21:01:39,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-07-19 21:01:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-19 21:01:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-07-19 21:01:39,031 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-07-19 21:01:39,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:39,032 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-07-19 21:01:39,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:01:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-07-19 21:01:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 21:01:39,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:39,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:01:39,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:01:39,037 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:39,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:39,037 INFO L82 PathProgramCache]: Analyzing trace with hash 492897412, now seen corresponding path program 1 times [2020-07-19 21:01:39,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:39,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144291152] [2020-07-19 21:01:39,038 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741d058 [2020-07-19 21:01:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,450 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:39,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144291152] [2020-07-19 21:01:39,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:39,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:01:39,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475598829] [2020-07-19 21:01:39,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:01:39,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:39,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:01:39,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:01:39,495 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-07-19 21:01:40,111 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:01:40,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:40,786 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-07-19 21:01:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:01:40,787 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 21:01:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:40,790 INFO L225 Difference]: With dead ends: 148 [2020-07-19 21:01:40,790 INFO L226 Difference]: Without dead ends: 109 [2020-07-19 21:01:40,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:01:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-19 21:01:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-07-19 21:01:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-19 21:01:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-07-19 21:01:40,818 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-07-19 21:01:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:40,818 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-07-19 21:01:40,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:01:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-07-19 21:01:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 21:01:40,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:40,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:01:40,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:01:40,821 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:40,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:40,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1711482820, now seen corresponding path program 1 times [2020-07-19 21:01:40,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:40,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5342398] [2020-07-19 21:01:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741d058 [2020-07-19 21:01:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,242 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:41,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5342398] [2020-07-19 21:01:41,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:41,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:01:41,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967779203] [2020-07-19 21:01:41,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:01:41,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:41,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:01:41,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:01:41,367 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-07-19 21:01:41,961 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:42,421 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:42,797 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:43,173 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:44,127 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:01:45,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:45,446 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-07-19 21:01:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:01:45,447 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 21:01:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:45,452 INFO L225 Difference]: With dead ends: 302 [2020-07-19 21:01:45,452 INFO L226 Difference]: Without dead ends: 241 [2020-07-19 21:01:45,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:01:45,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-19 21:01:45,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-07-19 21:01:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-19 21:01:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-07-19 21:01:45,533 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-07-19 21:01:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:45,534 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-07-19 21:01:45,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:01:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-07-19 21:01:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-19 21:01:45,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:45,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:01:45,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:01:45,537 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:45,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:45,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1961603229, now seen corresponding path program 1 times [2020-07-19 21:01:45,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:45,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419223005] [2020-07-19 21:01:45,538 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741d058 [2020-07-19 21:01:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:45,944 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:46,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419223005] [2020-07-19 21:01:46,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:46,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:01:46,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969022991] [2020-07-19 21:01:46,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:01:46,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:46,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:01:46,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:01:46,093 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 11 states. [2020-07-19 21:01:46,730 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:47,204 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:47,595 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:47,948 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:48,626 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:01:49,499 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:49,923 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:50,310 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:50,664 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:01:50,992 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:51,402 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:51,849 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:52,249 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:52,892 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2020-07-19 21:01:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-19 21:01:52,893 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-07-19 21:01:52,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:52,901 INFO L225 Difference]: With dead ends: 611 [2020-07-19 21:01:52,901 INFO L226 Difference]: Without dead ends: 463 [2020-07-19 21:01:52,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:01:52,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-07-19 21:01:52,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2020-07-19 21:01:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-19 21:01:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2020-07-19 21:01:52,999 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2020-07-19 21:01:52,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:52,999 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2020-07-19 21:01:53,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:01:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2020-07-19 21:01:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:01:53,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:53,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:01:53,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:01:53,008 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:53,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:53,008 INFO L82 PathProgramCache]: Analyzing trace with hash 43544445, now seen corresponding path program 1 times [2020-07-19 21:01:53,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:53,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286445741] [2020-07-19 21:01:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741d058 [2020-07-19 21:01:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,420 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:53,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286445741] [2020-07-19 21:01:53,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:53,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:01:53,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734205137] [2020-07-19 21:01:53,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:01:53,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:53,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:01:53,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:01:53,514 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand 5 states. [2020-07-19 21:01:53,972 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:54,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:54,688 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2020-07-19 21:01:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 21:01:54,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-19 21:01:54,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:54,692 INFO L225 Difference]: With dead ends: 796 [2020-07-19 21:01:54,692 INFO L226 Difference]: Without dead ends: 386 [2020-07-19 21:01:54,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:01:54,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-07-19 21:01:54,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2020-07-19 21:01:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-19 21:01:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2020-07-19 21:01:54,754 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2020-07-19 21:01:54,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:54,755 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2020-07-19 21:01:54,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:01:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2020-07-19 21:01:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-19 21:01:54,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:54,757 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:01:54,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:01:54,758 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:54,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1431905770, now seen corresponding path program 1 times [2020-07-19 21:01:54,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:54,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033796529] [2020-07-19 21:01:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741d058 [2020-07-19 21:01:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,154 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 21:01:55,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033796529] [2020-07-19 21:01:55,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749942664] [2020-07-19 21:01:55,373 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741d058 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:01:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:55,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 21:01:55,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:01:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:01:55,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:01:55,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2020-07-19 21:01:55,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134031471] [2020-07-19 21:01:55,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:01:55,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:55,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:01:55,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:01:55,769 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand 11 states. [2020-07-19 21:01:56,693 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 21:01:57,452 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:58,508 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2020-07-19 21:01:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:01:58,508 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-07-19 21:01:58,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:58,509 INFO L225 Difference]: With dead ends: 525 [2020-07-19 21:01:58,509 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:01:58,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:01:58,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:01:58,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:01:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:01:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:01:58,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-19 21:01:58,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:58,515 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:01:58,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:01:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:01:58,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:01:58,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 21:01:58,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:01:59,062 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 129 [2020-07-19 21:02:02,225 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:02:02,410 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-19 21:02:02,950 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:02:03,622 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:02:04,233 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:02:04,974 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-19 21:02:05,255 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:05,790 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:02:06,335 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:02:06,542 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:02:07,476 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 17 [2020-07-19 21:02:07,602 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-19 21:02:08,581 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-19 21:02:08,822 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 21:02:09,574 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 21:02:09,702 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-19 21:02:09,828 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-19 21:02:10,565 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2020-07-19 21:02:11,218 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 21:02:12,158 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-19 21:02:12,479 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:02:13,186 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-19 21:02:13,427 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:02:13,981 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 21:02:13,986 INFO L268 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-07-19 21:02:13,986 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 564 619) no Hoare annotation was computed. [2020-07-19 21:02:13,986 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 599) no Hoare annotation was computed. [2020-07-19 21:02:13,986 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-19 21:02:13,986 INFO L268 CegarLoopResult]: For program point L589-2(lines 589 610) no Hoare annotation was computed. [2020-07-19 21:02:13,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 564 619) no Hoare annotation was computed. [2020-07-19 21:02:13,987 INFO L268 CegarLoopResult]: For program point L611(lines 588 612) no Hoare annotation was computed. [2020-07-19 21:02:13,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 564 619) no Hoare annotation was computed. [2020-07-19 21:02:13,987 INFO L268 CegarLoopResult]: For program point L672(lines 645 673) no Hoare annotation was computed. [2020-07-19 21:02:13,987 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-07-19 21:02:13,987 INFO L268 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-07-19 21:02:13,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 620 679) no Hoare annotation was computed. [2020-07-19 21:02:13,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 620 679) no Hoare annotation was computed. [2020-07-19 21:02:13,988 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-07-19 21:02:13,988 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-07-19 21:02:13,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 620 679) no Hoare annotation was computed. [2020-07-19 21:02:13,988 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-07-19 21:02:13,988 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 671) no Hoare annotation was computed. [2020-07-19 21:02:13,989 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 399 405) the Hoare annotation is: true [2020-07-19 21:02:13,989 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 399 405) no Hoare annotation was computed. [2020-07-19 21:02:13,989 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 406 414) no Hoare annotation was computed. [2020-07-19 21:02:13,989 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 406 414) the Hoare annotation is: true [2020-07-19 21:02:13,989 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 406 414) no Hoare annotation was computed. [2020-07-19 21:02:13,989 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-07-19 21:02:13,989 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-07-19 21:02:13,990 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 21:02:13,990 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-19 21:02:13,990 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 21:02:13,990 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-07-19 21:02:13,990 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-07-19 21:02:13,990 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-07-19 21:02:13,990 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-07-19 21:02:13,990 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-07-19 21:02:13,991 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:02:13,991 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-19 21:02:13,991 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:02:13,991 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:02:13,991 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-19 21:02:13,991 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-19 21:02:13,992 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:02:13,992 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:02:13,992 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:02:13,992 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:02:13,992 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 447 470) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 447 470) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 447 470) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-19 21:02:13,993 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 21:02:13,994 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-19 21:02:13,994 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 21:02:13,994 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:02:13,994 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-19 21:02:13,994 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 21:02:13,994 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:02:13,994 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-19 21:02:13,995 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 21:02:13,995 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2020-07-19 21:02:13,995 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:02:13,995 INFO L268 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2020-07-19 21:02:13,995 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 354 368) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 21:02:13,995 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2020-07-19 21:02:13,996 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 264 271) no Hoare annotation was computed. [2020-07-19 21:02:13,996 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 264 271) no Hoare annotation was computed. [2020-07-19 21:02:13,996 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 264 271) no Hoare annotation was computed. [2020-07-19 21:02:13,996 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2020-07-19 21:02:13,996 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2020-07-19 21:02:13,996 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2020-07-19 21:02:13,996 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point L337(lines 337 345) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 318 353) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 318 353) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point L325(lines 325 333) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point L325-2(lines 325 333) no Hoare annotation was computed. [2020-07-19 21:02:13,997 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 318 353) no Hoare annotation was computed. [2020-07-19 21:02:13,998 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 392 398) no Hoare annotation was computed. [2020-07-19 21:02:13,998 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 392 398) the Hoare annotation is: true [2020-07-19 21:02:13,998 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 518 563) no Hoare annotation was computed. [2020-07-19 21:02:13,998 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 518 563) no Hoare annotation was computed. [2020-07-19 21:02:13,998 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 518 563) no Hoare annotation was computed. [2020-07-19 21:02:13,998 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 831 876) no Hoare annotation was computed. [2020-07-19 21:02:13,998 INFO L268 CegarLoopResult]: For program point L851(lines 851 858) no Hoare annotation was computed. [2020-07-19 21:02:13,999 INFO L268 CegarLoopResult]: For program point L845(lines 845 865) no Hoare annotation was computed. [2020-07-19 21:02:13,999 INFO L268 CegarLoopResult]: For program point L845-1(lines 845 865) no Hoare annotation was computed. [2020-07-19 21:02:13,999 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 831 876) no Hoare annotation was computed. [2020-07-19 21:02:13,999 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 831 876) no Hoare annotation was computed. [2020-07-19 21:02:13,999 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 478 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:02:13,999 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 478 487) no Hoare annotation was computed. [2020-07-19 21:02:13,999 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 478 487) no Hoare annotation was computed. [2020-07-19 21:02:13,999 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 298 308) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 298 308) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 298 308) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 257 263) no Hoare annotation was computed. [2020-07-19 21:02:14,000 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 257 263) the Hoare annotation is: true [2020-07-19 21:02:14,000 INFO L264 CegarLoopResult]: At program point testENTRY(lines 158 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:02:14,000 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:02:14,000 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-19 21:02:14,001 INFO L268 CegarLoopResult]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2020-07-19 21:02:14,001 INFO L264 CegarLoopResult]: At program point L215(lines 168 217) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:02:14,001 INFO L268 CegarLoopResult]: For program point testFINAL(lines 158 225) no Hoare annotation was computed. [2020-07-19 21:02:14,001 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:02:14,001 INFO L268 CegarLoopResult]: For program point L178(lines 178 184) no Hoare annotation was computed. [2020-07-19 21:02:14,001 INFO L268 CegarLoopResult]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2020-07-19 21:02:14,002 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-19 21:02:14,002 INFO L264 CegarLoopResult]: At program point L218(lines 167 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:02:14,002 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:02:14,002 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-19 21:02:14,002 INFO L264 CegarLoopResult]: At program point L206-1(lines 198 213) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:02:14,002 INFO L268 CegarLoopResult]: For program point L169(lines 168 217) no Hoare annotation was computed. [2020-07-19 21:02:14,002 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point testEXIT(lines 158 225) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point L799(lines 799 819) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point L799-1(lines 799 819) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 785 830) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 785 830) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 785 830) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point L805(lines 805 812) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-07-19 21:02:14,003 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 382 391) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 382 391) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 382 391) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 682 784) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L731-2(lines 731 751) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L752(lines 730 753) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L711(lines 711 727) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 682 784) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L771(lines 771 778) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L732(lines 731 751) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-19 21:02:14,004 INFO L268 CegarLoopResult]: For program point L728(lines 728 769) no Hoare annotation was computed. [2020-07-19 21:02:14,005 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 682 784) no Hoare annotation was computed. [2020-07-19 21:02:14,005 INFO L268 CegarLoopResult]: For program point L747(line 747) no Hoare annotation was computed. [2020-07-19 21:02:14,005 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-07-19 21:02:14,005 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-19 21:02:14,005 INFO L268 CegarLoopResult]: For program point L770(lines 770 781) no Hoare annotation was computed. [2020-07-19 21:02:14,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:02:14,005 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 21:02:14,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 273 289) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L268 CegarLoopResult]: For program point L284-1(lines 273 289) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 273 289) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L268 CegarLoopResult]: For program point L278-1(line 278) no Hoare annotation was computed. [2020-07-19 21:02:14,006 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-07-19 21:02:14,007 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-07-19 21:02:14,007 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-07-19 21:02:14,007 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 21:02:14,007 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-07-19 21:02:14,007 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-07-19 21:02:14,007 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:02:14,007 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:02:14,008 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:02:14,008 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-07-19 21:02:14,008 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-07-19 21:02:14,008 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-07-19 21:02:14,008 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse0 (not .cse2)) (.cse1 (and (not (= 0 ~systemActive~0)) .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2020-07-19 21:02:14,008 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:02:14,008 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:02:14,009 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:02:14,009 INFO L268 CegarLoopResult]: For program point L237(lines 236 255) no Hoare annotation was computed. [2020-07-19 21:02:14,009 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2020-07-19 21:02:14,009 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2020-07-19 21:02:14,009 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-07-19 21:02:14,009 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-07-19 21:02:14,009 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-07-19 21:02:14,010 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-19 21:02:14,010 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-19 21:02:14,010 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-07-19 21:02:14,010 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-19 21:02:14,010 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-07-19 21:02:14,010 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-19 21:02:14,010 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-19 21:02:14,010 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-07-19 21:02:14,011 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-07-19 21:02:14,011 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-07-19 21:02:14,011 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 471 477) no Hoare annotation was computed. [2020-07-19 21:02:14,011 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 471 477) the Hoare annotation is: true [2020-07-19 21:02:14,011 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:02:14,011 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:02:14,011 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:02:14,011 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:02:14,011 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 369 376) no Hoare annotation was computed. [2020-07-19 21:02:14,012 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 369 376) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-19 21:02:14,012 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 369 376) no Hoare annotation was computed. [2020-07-19 21:02:14,012 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-07-19 21:02:14,012 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-07-19 21:02:14,012 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:02:14,012 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 878 885) no Hoare annotation was computed. [2020-07-19 21:02:14,012 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2020-07-19 21:02:14,013 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 878 885) the Hoare annotation is: true [2020-07-19 21:02:14,013 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 878 885) no Hoare annotation was computed. [2020-07-19 21:02:14,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:02:14 BoogieIcfgContainer [2020-07-19 21:02:14,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:02:14,032 INFO L168 Benchmark]: Toolchain (without parser) took 41068.69 ms. Allocated memory was 139.5 MB in the beginning and 578.3 MB in the end (delta: 438.8 MB). Free memory was 103.3 MB in the beginning and 115.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 455.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:02:14,033 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:02:14,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.42 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 173.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:02:14,034 INFO L168 Benchmark]: Boogie Preprocessor took 118.37 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:02:14,035 INFO L168 Benchmark]: RCFGBuilder took 3174.53 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 169.2 MB in the beginning and 198.4 MB in the end (delta: -29.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:02:14,036 INFO L168 Benchmark]: TraceAbstraction took 37131.95 ms. Allocated memory was 234.4 MB in the beginning and 578.3 MB in the end (delta: 343.9 MB). Free memory was 198.4 MB in the beginning and 115.5 MB in the end (delta: 83.0 MB). Peak memory consumption was 455.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:02:14,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.42 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 173.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.37 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3174.53 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 169.2 MB in the beginning and 198.4 MB in the end (delta: -29.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37131.95 ms. Allocated memory was 234.4 MB in the beginning and 578.3 MB in the end (delta: 343.9 MB). Free memory was 198.4 MB in the beginning and 115.5 MB in the end (delta: 83.0 MB). Peak memory consumption was 455.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: 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: 167]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 991 SDslu, 508 SDs, 0 SdLazy, 2066 SolverSat, 664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 912 HoareAnnotationTreeSize, 462 FomulaSimplifications, 87162 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 46 FomulaSimplificationsInter, 17014 FormulaSimplificationTreeSizeReductionInter, 12.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 121510 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...