/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,733 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 [2021-02-19 16:56:36,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,794 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,795 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,290 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2021-02-19 16:56:37,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17028e4cf/3dae3b3dcc8c419ea8c6950752f10f15/FLAG31eb58b7b [2021-02-19 16:56:38,109 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:38,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2021-02-19 16:56:38,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17028e4cf/3dae3b3dcc8c419ea8c6950752f10f15/FLAG31eb58b7b [2021-02-19 16:56:38,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17028e4cf/3dae3b3dcc8c419ea8c6950752f10f15 [2021-02-19 16:56:38,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d0143c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38, skipping insertion in model container [2021-02-19 16:56:38,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,800 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c[12706,12719] [2021-02-19 16:56:38,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,845 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,946 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c[12706,12719] [2021-02-19 16:56:38,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,998 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:38,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38 WrapperNode [2021-02-19 16:56:38,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:39,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:39,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:39,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (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 [2021-02-19 16:56:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,291 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-19 16:56:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-19 16:56:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,561 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c40b7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (2/3) ... [2021-02-19 16:56:40,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c40b7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40" (3/3) ... [2021-02-19 16:56:40,574 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2021-02-19 16:56:40,581 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,588 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,643 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,643 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,643 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,643 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,644 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,644 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,644 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,644 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,666 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-02-19 16:56:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,675 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,676 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] [2021-02-19 16:56:40,677 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,684 INFO L82 PathProgramCache]: Analyzing trace with hash 446301991, now seen corresponding path program 1 times [2021-02-19 16:56:40,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617345208] [2021-02-19 16:56:40,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,514 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:41,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617345208] [2021-02-19 16:56:41,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295405490] [2021-02-19 16:56:41,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,640 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 3 states. [2021-02-19 16:56:42,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:42,742 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2021-02-19 16:56:42,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:42,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:42,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:42,757 INFO L225 Difference]: With dead ends: 199 [2021-02-19 16:56:42,758 INFO L226 Difference]: Without dead ends: 109 [2021-02-19 16:56:42,763 INFO L677 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 [2021-02-19 16:56:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-19 16:56:42,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2021-02-19 16:56:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-19 16:56:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2021-02-19 16:56:42,849 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2021-02-19 16:56:42,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:42,849 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2021-02-19 16:56:42,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2021-02-19 16:56:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:42,853 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:42,853 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] [2021-02-19 16:56:42,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:42,854 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:42,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:42,855 INFO L82 PathProgramCache]: Analyzing trace with hash 83209728, now seen corresponding path program 1 times [2021-02-19 16:56:42,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:42,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55961928] [2021-02-19 16:56:42,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:42,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,289 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:43,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:43,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55961928] [2021-02-19 16:56:43,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:43,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:43,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987761128] [2021-02-19 16:56:43,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:43,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:43,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:43,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:43,359 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2021-02-19 16:56:43,973 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:44,528 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2021-02-19 16:56:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:44,529 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:44,532 INFO L225 Difference]: With dead ends: 132 [2021-02-19 16:56:44,532 INFO L226 Difference]: Without dead ends: 93 [2021-02-19 16:56:44,534 INFO L677 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 [2021-02-19 16:56:44,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-02-19 16:56:44,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2021-02-19 16:56:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-02-19 16:56:44,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2021-02-19 16:56:44,570 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2021-02-19 16:56:44,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:44,571 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2021-02-19 16:56:44,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2021-02-19 16:56:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:56:44,573 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:44,573 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] [2021-02-19 16:56:44,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:44,574 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:44,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:44,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1136985243, now seen corresponding path program 1 times [2021-02-19 16:56:44,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:44,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881473156] [2021-02-19 16:56:44,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,037 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:45,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:45,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,176 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:56:45,179 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:56:45,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:45,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881473156] [2021-02-19 16:56:45,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:45,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:45,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934973989] [2021-02-19 16:56:45,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:45,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:45,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:45,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:45,229 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 8 states. [2021-02-19 16:56:45,781 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:46,277 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,663 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,021 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:47,786 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2021-02-19 16:56:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 16:56:47,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:56:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:47,788 INFO L225 Difference]: With dead ends: 141 [2021-02-19 16:56:47,788 INFO L226 Difference]: Without dead ends: 93 [2021-02-19 16:56:47,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-19 16:56:47,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-02-19 16:56:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2021-02-19 16:56:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-02-19 16:56:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2021-02-19 16:56:47,825 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2021-02-19 16:56:47,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:47,826 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2021-02-19 16:56:47,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2021-02-19 16:56:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-02-19 16:56:47,828 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:47,828 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] [2021-02-19 16:56:47,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:47,828 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:47,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:47,829 INFO L82 PathProgramCache]: Analyzing trace with hash -966202042, now seen corresponding path program 1 times [2021-02-19 16:56:47,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:47,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159884126] [2021-02-19 16:56:47,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,250 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:48,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-19 16:56:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:56:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-19 16:56:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:48,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159884126] [2021-02-19 16:56:48,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:48,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 16:56:48,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938755886] [2021-02-19 16:56:48,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 16:56:48,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:48,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 16:56:48,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:56:48,339 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2021-02-19 16:56:48,847 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:49,843 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:50,265 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:50,641 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:50,985 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:51,385 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:51,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:51,767 INFO L93 Difference]: Finished difference Result 191 states and 239 transitions. [2021-02-19 16:56:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:51,768 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2021-02-19 16:56:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:51,771 INFO L225 Difference]: With dead ends: 191 [2021-02-19 16:56:51,771 INFO L226 Difference]: Without dead ends: 143 [2021-02-19 16:56:51,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:51,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-02-19 16:56:51,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2021-02-19 16:56:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-02-19 16:56:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2021-02-19 16:56:51,836 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 54 [2021-02-19 16:56:51,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:51,837 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2021-02-19 16:56:51,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 16:56:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2021-02-19 16:56:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-19 16:56:51,848 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:51,852 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] [2021-02-19 16:56:51,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:51,853 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:51,853 INFO L82 PathProgramCache]: Analyzing trace with hash 435180994, now seen corresponding path program 1 times [2021-02-19 16:56:51,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:51,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42750671] [2021-02-19 16:56:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,303 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:56:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 16:56:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:52,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42750671] [2021-02-19 16:56:52,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:52,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:52,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354551128] [2021-02-19 16:56:52,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:52,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:52,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:52,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:52,391 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 8 states. [2021-02-19 16:56:52,877 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:53,842 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:54,253 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:54,649 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:54,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:54,843 INFO L93 Difference]: Finished difference Result 217 states and 270 transitions. [2021-02-19 16:56:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:56:54,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2021-02-19 16:56:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:54,845 INFO L225 Difference]: With dead ends: 217 [2021-02-19 16:56:54,845 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:54,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:54,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:54,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:54,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:54,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-02-19 16:56:54,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:54,848 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:54,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:54,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:54,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:54,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:54,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:55,110 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 16 [2021-02-19 16:56:56,767 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:56:57,000 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:56:57,262 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2021-02-19 16:56:57,541 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:56:57,876 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2021-02-19 16:56:58,392 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:56:58,924 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:56:59,181 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2021-02-19 16:56:59,450 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2021-02-19 16:56:59,726 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2021-02-19 16:57:00,044 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:00,321 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:00,918 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:01,470 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-19 16:57:01,735 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:02,015 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2021-02-19 16:57:02,272 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:02,777 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:02,782 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:02,782 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:02,783 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:02,783 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-02-19 16:57:02,783 INFO L189 CegarLoopUtils]: For program point L157-2(lines 157 178) no Hoare annotation was computed. [2021-02-19 16:57:02,783 INFO L189 CegarLoopUtils]: For program point L179(lines 156 180) no Hoare annotation was computed. [2021-02-19 16:57:02,783 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 132 187) no Hoare annotation was computed. [2021-02-19 16:57:02,783 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 132 187) no Hoare annotation was computed. [2021-02-19 16:57:02,783 INFO L189 CegarLoopUtils]: For program point L163(lines 163 167) no Hoare annotation was computed. [2021-02-19 16:57:02,784 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 132 187) no Hoare annotation was computed. [2021-02-19 16:57:02,784 INFO L189 CegarLoopUtils]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-02-19 16:57:02,784 INFO L189 CegarLoopUtils]: For program point L220(lines 220 224) no Hoare annotation was computed. [2021-02-19 16:57:02,784 INFO L189 CegarLoopUtils]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2021-02-19 16:57:02,784 INFO L189 CegarLoopUtils]: For program point L215(line 215) no Hoare annotation was computed. [2021-02-19 16:57:02,784 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 188 247) no Hoare annotation was computed. [2021-02-19 16:57:02,784 INFO L189 CegarLoopUtils]: For program point L214-2(lines 214 239) no Hoare annotation was computed. [2021-02-19 16:57:02,785 INFO L189 CegarLoopUtils]: For program point L240(lines 213 241) no Hoare annotation was computed. [2021-02-19 16:57:02,785 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 188 247) no Hoare annotation was computed. [2021-02-19 16:57:02,785 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 188 247) no Hoare annotation was computed. [2021-02-19 16:57:02,785 INFO L189 CegarLoopUtils]: For program point L233(line 233) no Hoare annotation was computed. [2021-02-19 16:57:02,785 INFO L189 CegarLoopUtils]: For program point L233-1(line 233) no Hoare annotation was computed. [2021-02-19 16:57:02,785 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2021-02-19 16:57:02,785 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2021-02-19 16:57:02,785 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:02,786 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2021-02-19 16:57:02,786 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:02,786 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 616 638) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,786 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 616 638) no Hoare annotation was computed. [2021-02-19 16:57:02,786 INFO L185 CegarLoopUtils]: At program point L628(line 628) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~3 ~systemActive~0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,787 INFO L185 CegarLoopUtils]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~3 ~systemActive~0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,787 INFO L189 CegarLoopUtils]: For program point L626(lines 626 633) no Hoare annotation was computed. [2021-02-19 16:57:02,787 INFO L189 CegarLoopUtils]: For program point L626-1(lines 626 633) no Hoare annotation was computed. [2021-02-19 16:57:02,787 INFO L189 CegarLoopUtils]: For program point L624(line 624) no Hoare annotation was computed. [2021-02-19 16:57:02,787 INFO L185 CegarLoopUtils]: At program point L623(line 623) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,787 INFO L185 CegarLoopUtils]: At program point L622(line 622) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,788 INFO L185 CegarLoopUtils]: At program point L622-1(line 622) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 616 638) no Hoare annotation was computed. [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 574 597) no Hoare annotation was computed. [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 574 597) no Hoare annotation was computed. [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 574 597) no Hoare annotation was computed. [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point L592(line 592) no Hoare annotation was computed. [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point L591(line 591) no Hoare annotation was computed. [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2021-02-19 16:57:02,788 INFO L189 CegarLoopUtils]: For program point L589(line 589) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L588(line 588) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L586(line 586) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L585(line 585) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L583(line 583) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2021-02-19 16:57:02,789 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point L580(line 580) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 678 685) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 678 685) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 678 685) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2021-02-19 16:57:02,790 INFO L189 CegarLoopUtils]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point L762(line 762) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point L762-1(line 762) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point L751(lines 751 759) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point L739(lines 739 747) no Hoare annotation was computed. [2021-02-19 16:57:02,791 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 86 131) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 86 131) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 86 131) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point L413(lines 413 433) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 399 444) no Hoare annotation was computed. [2021-02-19 16:57:02,792 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 399 444) no Hoare annotation was computed. [2021-02-19 16:57:02,793 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 399 444) no Hoare annotation was computed. [2021-02-19 16:57:02,793 INFO L189 CegarLoopUtils]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-02-19 16:57:02,793 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 606 615) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,793 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 606 615) no Hoare annotation was computed. [2021-02-19 16:57:02,793 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 606 615) no Hoare annotation was computed. [2021-02-19 16:57:02,793 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 712 722) no Hoare annotation was computed. [2021-02-19 16:57:02,793 INFO L189 CegarLoopUtils]: For program point L717(line 717) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L189 CegarLoopUtils]: For program point L717-1(line 717) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L189 CegarLoopUtils]: For program point deactivatePumpENTRY(lines 704 711) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 671 677) no Hoare annotation was computed. [2021-02-19 16:57:02,794 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 671 677) the Hoare annotation is: true [2021-02-19 16:57:02,795 INFO L185 CegarLoopUtils]: At program point L801(line 801) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:57:02,795 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 769 832) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,795 INFO L189 CegarLoopUtils]: For program point L799(lines 799 805) no Hoare annotation was computed. [2021-02-19 16:57:02,795 INFO L189 CegarLoopUtils]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2021-02-19 16:57:02,795 INFO L185 CegarLoopUtils]: At program point L791(line 791) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:57:02,795 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 769 832) no Hoare annotation was computed. [2021-02-19 16:57:02,795 INFO L185 CegarLoopUtils]: At program point L822(lines 779 824) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:57:02,796 INFO L189 CegarLoopUtils]: For program point L789(lines 789 795) no Hoare annotation was computed. [2021-02-19 16:57:02,796 INFO L189 CegarLoopUtils]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2021-02-19 16:57:02,796 INFO L189 CegarLoopUtils]: For program point L781(lines 781 785) no Hoare annotation was computed. [2021-02-19 16:57:02,796 INFO L185 CegarLoopUtils]: At program point L825(lines 778 826) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,796 INFO L189 CegarLoopUtils]: For program point L815(lines 815 819) no Hoare annotation was computed. [2021-02-19 16:57:02,796 INFO L185 CegarLoopUtils]: At program point L815-2(lines 809 820) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:57:02,796 INFO L189 CegarLoopUtils]: For program point L780(lines 779 824) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point L809(lines 809 820) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 769 832) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 353 398) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point L373(lines 373 380) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 353 398) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 353 398) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point L367(lines 367 387) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point L367-1(lines 367 387) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point L507(lines 507 515) no Hoare annotation was computed. [2021-02-19 16:57:02,797 INFO L189 CegarLoopUtils]: For program point L507-2(lines 507 515) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 499 521) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 499 521) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 499 521) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point L320(lines 298 321) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 250 352) no Hoare annotation was computed. [2021-02-19 16:57:02,798 INFO L189 CegarLoopUtils]: For program point L279(lines 279 295) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L339(lines 339 346) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L300(lines 299 319) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L331(line 331) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L331-1(line 331) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L296(lines 296 337) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 250 352) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L315(line 315) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-02-19 16:57:02,799 INFO L189 CegarLoopUtils]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-02-19 16:57:02,800 INFO L189 CegarLoopUtils]: For program point L338(lines 338 349) no Hoare annotation was computed. [2021-02-19 16:57:02,800 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 250 352) no Hoare annotation was computed. [2021-02-19 16:57:02,800 INFO L189 CegarLoopUtils]: For program point L301(lines 301 305) no Hoare annotation was computed. [2021-02-19 16:57:02,800 INFO L189 CegarLoopUtils]: For program point L299-2(lines 299 319) no Hoare annotation was computed. [2021-02-19 16:57:02,800 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,800 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point L698(line 698) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 687 703) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point L694(lines 694 700) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point L692(line 692) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point L692-1(line 692) no Hoare annotation was computed. [2021-02-19 16:57:02,801 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 522 530) no Hoare annotation was computed. [2021-02-19 16:57:02,802 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 522 530) no Hoare annotation was computed. [2021-02-19 16:57:02,802 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 522 530) no Hoare annotation was computed. [2021-02-19 16:57:02,802 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,802 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,802 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,802 INFO L189 CegarLoopUtils]: For program point L482-1(lines 478 489) no Hoare annotation was computed. [2021-02-19 16:57:02,802 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 478 489) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:02,802 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 478 489) no Hoare annotation was computed. [2021-02-19 16:57:02,803 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 490 498) the Hoare annotation is: true [2021-02-19 16:57:02,803 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 490 498) no Hoare annotation was computed. [2021-02-19 16:57:02,803 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 490 498) no Hoare annotation was computed. [2021-02-19 16:57:02,803 INFO L185 CegarLoopUtils]: At program point L660(line 660) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,803 INFO L185 CegarLoopUtils]: At program point L658(lines 658 664) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,803 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,803 INFO L185 CegarLoopUtils]: At program point L653(line 653) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,804 INFO L189 CegarLoopUtils]: For program point L651(lines 650 669) no Hoare annotation was computed. [2021-02-19 16:57:02,804 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2021-02-19 16:57:02,804 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2021-02-19 16:57:02,804 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 543 572) no Hoare annotation was computed. [2021-02-19 16:57:02,804 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 543 572) the Hoare annotation is: true [2021-02-19 16:57:02,804 INFO L192 CegarLoopUtils]: At program point L568(lines 543 572) the Hoare annotation is: true [2021-02-19 16:57:02,804 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2021-02-19 16:57:02,804 INFO L189 CegarLoopUtils]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-02-19 16:57:02,804 INFO L192 CegarLoopUtils]: At program point L557-1(lines 557 561) the Hoare annotation is: true [2021-02-19 16:57:02,805 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2021-02-19 16:57:02,805 INFO L192 CegarLoopUtils]: At program point L553-2(lines 553 567) the Hoare annotation is: true [2021-02-19 16:57:02,805 INFO L192 CegarLoopUtils]: At program point L549(line 549) the Hoare annotation is: true [2021-02-19 16:57:02,805 INFO L189 CegarLoopUtils]: For program point L549-1(line 549) no Hoare annotation was computed. [2021-02-19 16:57:02,805 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 454 465) the Hoare annotation is: true [2021-02-19 16:57:02,805 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 454 465) no Hoare annotation was computed. [2021-02-19 16:57:02,805 INFO L189 CegarLoopUtils]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2021-02-19 16:57:02,805 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 598 604) no Hoare annotation was computed. [2021-02-19 16:57:02,805 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 598 604) the Hoare annotation is: true [2021-02-19 16:57:02,806 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,806 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:02,806 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:02,806 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,806 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 466 477) no Hoare annotation was computed. [2021-02-19 16:57:02,806 INFO L189 CegarLoopUtils]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2021-02-19 16:57:02,806 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 466 477) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,806 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 532 539) no Hoare annotation was computed. [2021-02-19 16:57:02,807 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2021-02-19 16:57:02,807 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 532 539) the Hoare annotation is: true [2021-02-19 16:57:02,807 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 532 539) no Hoare annotation was computed. [2021-02-19 16:57:02,807 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 834 858) the Hoare annotation is: true [2021-02-19 16:57:02,807 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 834 858) no Hoare annotation was computed. [2021-02-19 16:57:02,807 INFO L185 CegarLoopUtils]: At program point L848(line 848) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,807 INFO L189 CegarLoopUtils]: For program point L846(lines 846 852) no Hoare annotation was computed. [2021-02-19 16:57:02,807 INFO L185 CegarLoopUtils]: At program point L844(line 844) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,808 INFO L189 CegarLoopUtils]: For program point L844-1(line 844) no Hoare annotation was computed. [2021-02-19 16:57:02,808 INFO L189 CegarLoopUtils]: For program point L842(lines 842 855) no Hoare annotation was computed. [2021-02-19 16:57:02,808 INFO L189 CegarLoopUtils]: For program point L842-1(lines 834 858) no Hoare annotation was computed. [2021-02-19 16:57:02,808 INFO L192 CegarLoopUtils]: At program point L840(line 840) the Hoare annotation is: true [2021-02-19 16:57:02,808 INFO L189 CegarLoopUtils]: For program point L840-1(line 840) no Hoare annotation was computed. [2021-02-19 16:57:02,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:02 BoogieIcfgContainer [2021-02-19 16:57:02,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:02,826 INFO L168 Benchmark]: Toolchain (without parser) took 24394.51 ms. Allocated memory was 167.8 MB in the beginning and 396.4 MB in the end (delta: 228.6 MB). Free memory was 142.2 MB in the beginning and 334.2 MB in the end (delta: -192.1 MB). Peak memory consumption was 235.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,826 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 167.8 MB. Free memory is still 139.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:02,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.56 ms. Allocated memory is still 167.8 MB. Free memory was 141.1 MB in the beginning and 121.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,827 INFO L168 Benchmark]: Boogie Preprocessor took 146.58 ms. Allocated memory is still 167.8 MB. Free memory was 121.7 MB in the beginning and 117.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,828 INFO L168 Benchmark]: RCFGBuilder took 1415.73 ms. Allocated memory is still 167.8 MB. Free memory was 117.8 MB in the beginning and 67.7 MB in the end (delta: 50.1 MB). Peak memory consumption was 49.7 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,829 INFO L168 Benchmark]: TraceAbstraction took 22258.89 ms. Allocated memory was 167.8 MB in the beginning and 396.4 MB in the end (delta: 228.6 MB). Free memory was 67.2 MB in the beginning and 334.2 MB in the end (delta: -267.1 MB). Peak memory consumption was 160.3 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 167.8 MB. Free memory is still 139.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 555.56 ms. Allocated memory is still 167.8 MB. Free memory was 141.1 MB in the beginning and 121.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 146.58 ms. Allocated memory is still 167.8 MB. Free memory was 121.7 MB in the beginning and 117.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1415.73 ms. Allocated memory is still 167.8 MB. Free memory was 117.8 MB in the beginning and 67.7 MB in the end (delta: 50.1 MB). Peak memory consumption was 49.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22258.89 ms. Allocated memory was 167.8 MB in the beginning and 396.4 MB in the end (delta: 228.6 MB). Free memory was 67.2 MB in the beginning and 334.2 MB in the end (delta: -267.1 MB). Peak memory consumption was 160.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(\old(methaneLevelCritical) == 0)) || splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 337 SDtfs, 469 SDslu, 235 SDs, 0 SdLazy, 1110 SolverSat, 280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 191 NumberOfFragments, 563 HoareAnnotationTreeSize, 165 FomulaSimplifications, 25858 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 40 FomulaSimplificationsInter, 6980 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 74294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...