/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_spec2_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:59:23,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:59:23,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:59:23,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:59:23,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:59:23,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:59:23,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:59:23,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:59:23,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:59:23,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:59:23,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:59:23,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:59:23,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:59:23,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:59:23,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:59:23,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:59:23,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:59:23,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:59:23,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:59:23,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:59:23,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:59:23,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:59:23,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:59:23,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:59:23,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:59:23,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:59:23,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:59:23,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:59:23,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:59:23,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:59:23,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:59:23,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:59:23,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:59:23,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:59:23,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:59:23,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:59:23,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:59:23,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:59:23,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:59:23,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:59:23,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:59:23,426 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 16:59:23,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:59:23,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:59:23,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:59:23,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:59:23,455 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:59:23,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:59:23,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:59:23,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:59:23,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:59:23,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:59:23,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:59:23,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:59:23,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:59:23,457 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:59:23,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:59:23,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:59:23,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:59:23,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:59:23,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:59:23,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:59:23,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:59:23,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:59:23,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:59:23,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:59:23,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:59:23,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:59:23,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:59:23,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:59:23,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:59:23,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:59:23,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:59:23,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:59:23,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:59:23,920 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:59:23,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2021-02-19 16:59:24,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e67725b5/1c8d5d97052e4585afb4bc3cbc4bbe8f/FLAG96777b1e7 [2021-02-19 16:59:24,707 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:59:24,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2021-02-19 16:59:24,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e67725b5/1c8d5d97052e4585afb4bc3cbc4bbe8f/FLAG96777b1e7 [2021-02-19 16:59:24,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e67725b5/1c8d5d97052e4585afb4bc3cbc4bbe8f [2021-02-19 16:59:24,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:59:24,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:59:24,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:59:24,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:59:24,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:59:25,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:59:24" (1/1) ... [2021-02-19 16:59:25,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eabb1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25, skipping insertion in model container [2021-02-19 16:59:25,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:59:24" (1/1) ... [2021-02-19 16:59:25,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:59:25,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:59:25,469 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_spec2_product02.cil.c[16850,16863] [2021-02-19 16:59:25,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:59:25,484 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:59:25,629 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_spec2_product02.cil.c[16850,16863] [2021-02-19 16:59:25,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:59:25,672 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:59:25,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25 WrapperNode [2021-02-19 16:59:25,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:59:25,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:59:25,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:59:25,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:59:25,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (1/1) ... [2021-02-19 16:59:25,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (1/1) ... [2021-02-19 16:59:25,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (1/1) ... [2021-02-19 16:59:25,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (1/1) ... [2021-02-19 16:59:25,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (1/1) ... [2021-02-19 16:59:25,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (1/1) ... [2021-02-19 16:59:25,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (1/1) ... [2021-02-19 16:59:25,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:59:25,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:59:25,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:59:25,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:59:25,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (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 16:59:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:59:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:59:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:59:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:59:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:59:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:59:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:59:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-19 16:59:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-19 16:59:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:59:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:59:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:59:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:59:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:59:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:59:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:59:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:59:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:59:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:59:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:59:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:59:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:59:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:59:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:59:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:59:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:59:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:59:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 16:59:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:59:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:59:25,888 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-19 16:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-19 16:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 16:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:59:26,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:59:26,944 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:59:26,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:59:26 BoogieIcfgContainer [2021-02-19 16:59:26,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:59:26,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:59:26,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:59:26,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:59:26,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:59:24" (1/3) ... [2021-02-19 16:59:26,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326bf398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:59:26, skipping insertion in model container [2021-02-19 16:59:26,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:25" (2/3) ... [2021-02-19 16:59:26,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326bf398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:59:26, skipping insertion in model container [2021-02-19 16:59:26,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:59:26" (3/3) ... [2021-02-19 16:59:26,957 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2021-02-19 16:59:26,964 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:59:26,970 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:59:26,991 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:59:27,042 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:59:27,042 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:59:27,043 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:59:27,043 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:59:27,043 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:59:27,043 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:59:27,043 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:59:27,044 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:59:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2021-02-19 16:59:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:59:27,086 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:27,088 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 16:59:27,089 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:27,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:27,098 INFO L82 PathProgramCache]: Analyzing trace with hash -43813837, now seen corresponding path program 1 times [2021-02-19 16:59:27,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:27,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191101386] [2021-02-19 16:59:27,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,804 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:27,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 16:59:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-19 16:59:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:27,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:27,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:27,977 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 16:59:27,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191101386] [2021-02-19 16:59:27,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:27,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:59:27,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863201901] [2021-02-19 16:59:27,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:59:27,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:28,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:59:28,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:59:28,003 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 4 states. [2021-02-19 16:59:29,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:29,018 INFO L93 Difference]: Finished difference Result 208 states and 279 transitions. [2021-02-19 16:59:29,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 16:59:29,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-19 16:59:29,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:29,033 INFO L225 Difference]: With dead ends: 208 [2021-02-19 16:59:29,033 INFO L226 Difference]: Without dead ends: 119 [2021-02-19 16:59:29,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:59:29,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-02-19 16:59:29,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 90. [2021-02-19 16:59:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-02-19 16:59:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-02-19 16:59:29,129 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51 [2021-02-19 16:59:29,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:29,130 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-02-19 16:59:29,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:59:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-02-19 16:59:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:59:29,134 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:29,134 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] [2021-02-19 16:59:29,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:59:29,135 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:29,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:29,136 INFO L82 PathProgramCache]: Analyzing trace with hash -758133779, now seen corresponding path program 1 times [2021-02-19 16:59:29,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:29,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677197578] [2021-02-19 16:59:29,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:29,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,573 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:59:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:59:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:29,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:29,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:29,649 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 16:59:29,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677197578] [2021-02-19 16:59:29,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:29,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 16:59:29,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980248690] [2021-02-19 16:59:29,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 16:59:29,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:29,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 16:59:29,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:59:29,653 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 5 states. [2021-02-19 16:59:30,305 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 16:59:30,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:30,990 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2021-02-19 16:59:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 16:59:30,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-02-19 16:59:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:30,993 INFO L225 Difference]: With dead ends: 149 [2021-02-19 16:59:30,993 INFO L226 Difference]: Without dead ends: 109 [2021-02-19 16:59:30,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:59:30,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-19 16:59:31,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2021-02-19 16:59:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-19 16:59:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2021-02-19 16:59:31,049 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52 [2021-02-19 16:59:31,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:31,049 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2021-02-19 16:59:31,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 16:59:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2021-02-19 16:59:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-19 16:59:31,052 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:31,052 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] [2021-02-19 16:59:31,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:59:31,052 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:31,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:31,053 INFO L82 PathProgramCache]: Analyzing trace with hash 604119671, now seen corresponding path program 1 times [2021-02-19 16:59:31,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:31,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892542391] [2021-02-19 16:59:31,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:59:31,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:59:31,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:59:31,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,529 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:31,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:59:31,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,646 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:59:31,648 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:59:31,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-19 16:59:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-19 16:59:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,713 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 16:59:31,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892542391] [2021-02-19 16:59:31,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:31,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:59:31,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242968646] [2021-02-19 16:59:31,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:59:31,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:31,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:59:31,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:59:31,721 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 9 states. [2021-02-19 16:59:32,248 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:32,736 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:33,172 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:33,575 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:34,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:34,611 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2021-02-19 16:59:34,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:59:34,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2021-02-19 16:59:34,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:34,618 INFO L225 Difference]: With dead ends: 162 [2021-02-19 16:59:34,618 INFO L226 Difference]: Without dead ends: 109 [2021-02-19 16:59:34,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-19 16:59:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-19 16:59:34,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2021-02-19 16:59:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-19 16:59:34,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2021-02-19 16:59:34,685 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 57 [2021-02-19 16:59:34,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:34,687 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2021-02-19 16:59:34,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:59:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-02-19 16:59:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 16:59:34,691 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:34,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:59:34,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:59:34,692 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:34,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:34,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1799068988, now seen corresponding path program 1 times [2021-02-19 16:59:34,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:34,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360711472] [2021-02-19 16:59:34,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:34,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:34,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:34,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:34,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:34,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:34,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:34,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:34,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:34,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:34,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:34,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:34,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:34,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:34,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,185 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:35,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:35,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:59:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 16:59:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:35,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:59:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:35,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:35,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:35,278 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 16:59:35,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360711472] [2021-02-19 16:59:35,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:35,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:59:35,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775536149] [2021-02-19 16:59:35,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:59:35,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:35,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:59:35,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:59:35,281 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 8 states. [2021-02-19 16:59:35,828 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:36,978 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:37,422 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:37,883 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:38,278 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:38,860 INFO L93 Difference]: Finished difference Result 219 states and 281 transitions. [2021-02-19 16:59:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 16:59:38,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2021-02-19 16:59:38,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:38,864 INFO L225 Difference]: With dead ends: 219 [2021-02-19 16:59:38,864 INFO L226 Difference]: Without dead ends: 166 [2021-02-19 16:59:38,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:59:38,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-02-19 16:59:38,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 124. [2021-02-19 16:59:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-02-19 16:59:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2021-02-19 16:59:38,915 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 60 [2021-02-19 16:59:38,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:38,915 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2021-02-19 16:59:38,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:59:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2021-02-19 16:59:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-19 16:59:38,917 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:38,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:59:38,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:59:38,918 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:38,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:38,918 INFO L82 PathProgramCache]: Analyzing trace with hash -177405600, now seen corresponding path program 1 times [2021-02-19 16:59:38,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:38,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456984315] [2021-02-19 16:59:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:39,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:39,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:39,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,407 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:39,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-02-19 16:59:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:59:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:59:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:39,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 16:59:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:39,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:39,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:39,520 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 16:59:39,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456984315] [2021-02-19 16:59:39,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:39,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:59:39,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464708280] [2021-02-19 16:59:39,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:59:39,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:39,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:59:39,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:59:39,523 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 9 states. [2021-02-19 16:59:40,113 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:41,210 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:41,648 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:42,059 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:42,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:42,418 INFO L93 Difference]: Finished difference Result 253 states and 322 transitions. [2021-02-19 16:59:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:59:42,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-19 16:59:42,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:42,423 INFO L225 Difference]: With dead ends: 253 [2021-02-19 16:59:42,423 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:59:42,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-19 16:59:42,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:59:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:59:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:59:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:59:42,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2021-02-19 16:59:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:42,427 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:59:42,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:59:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:59:42,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:59:42,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:59:42,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:59:42,709 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 219 [2021-02-19 16:59:43,549 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-02-19 16:59:44,773 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-02-19 16:59:45,034 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 16:59:45,299 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2021-02-19 16:59:45,558 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 16:59:45,794 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 16:59:46,114 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 16:59:46,368 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 16:59:46,675 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 16:59:47,210 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 16:59:47,488 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2021-02-19 16:59:47,792 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 16:59:48,346 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2021-02-19 16:59:48,731 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:48,963 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 16:59:49,541 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2021-02-19 16:59:50,163 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 12 [2021-02-19 16:59:50,435 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 16:59:50,747 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 16:59:51,311 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2021-02-19 16:59:51,852 WARN L202 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2021-02-19 16:59:52,404 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 16:59:52,987 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 16:59:53,077 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:59:53,077 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L290-1(lines 290 294) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L285(line 285) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L284-2(lines 284 305) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 259 314) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L306(lines 283 307) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 259 314) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 259 314) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L290(lines 290 294) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L347-1(lines 347 351) no Hoare annotation was computed. [2021-02-19 16:59:53,078 INFO L189 CegarLoopUtils]: For program point L342(line 342) no Hoare annotation was computed. [2021-02-19 16:59:53,079 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 315 374) no Hoare annotation was computed. [2021-02-19 16:59:53,079 INFO L189 CegarLoopUtils]: For program point L341-2(lines 341 366) no Hoare annotation was computed. [2021-02-19 16:59:53,079 INFO L189 CegarLoopUtils]: For program point L367(lines 340 368) no Hoare annotation was computed. [2021-02-19 16:59:53,079 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 315 374) no Hoare annotation was computed. [2021-02-19 16:59:53,079 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 315 374) no Hoare annotation was computed. [2021-02-19 16:59:53,079 INFO L189 CegarLoopUtils]: For program point L360(line 360) no Hoare annotation was computed. [2021-02-19 16:59:53,079 INFO L189 CegarLoopUtils]: For program point L360-1(line 360) no Hoare annotation was computed. [2021-02-19 16:59:53,080 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2021-02-19 16:59:53,080 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2021-02-19 16:59:53,080 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:59:53,080 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2021-02-19 16:59:53,080 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:59:53,081 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 649 671) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,081 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 649 671) no Hoare annotation was computed. [2021-02-19 16:59:53,081 INFO L185 CegarLoopUtils]: At program point L661(line 661) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2021-02-19 16:59:53,081 INFO L185 CegarLoopUtils]: At program point L661-1(line 661) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2021-02-19 16:59:53,081 INFO L189 CegarLoopUtils]: For program point L659(lines 659 666) no Hoare annotation was computed. [2021-02-19 16:59:53,081 INFO L189 CegarLoopUtils]: For program point L659-1(lines 659 666) no Hoare annotation was computed. [2021-02-19 16:59:53,081 INFO L189 CegarLoopUtils]: For program point L657(line 657) no Hoare annotation was computed. [2021-02-19 16:59:53,081 INFO L185 CegarLoopUtils]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,082 INFO L185 CegarLoopUtils]: At program point L655(line 655) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,082 INFO L185 CegarLoopUtils]: At program point L655-1(line 655) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,082 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 649 671) no Hoare annotation was computed. [2021-02-19 16:59:53,082 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 606 629) no Hoare annotation was computed. [2021-02-19 16:59:53,082 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 606 629) no Hoare annotation was computed. [2021-02-19 16:59:53,082 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 606 629) no Hoare annotation was computed. [2021-02-19 16:59:53,082 INFO L189 CegarLoopUtils]: For program point L624(line 624) no Hoare annotation was computed. [2021-02-19 16:59:53,082 INFO L189 CegarLoopUtils]: For program point L623(line 623) no Hoare annotation was computed. [2021-02-19 16:59:53,082 INFO L189 CegarLoopUtils]: For program point L622(line 622) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L621(line 621) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L620(line 620) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L619(line 619) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L618(line 618) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L617(line 617) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L616(line 616) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L615(line 615) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L614(line 614) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L613(line 613) no Hoare annotation was computed. [2021-02-19 16:59:53,083 INFO L189 CegarLoopUtils]: For program point L612(line 612) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point L611(line 611) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point L765(lines 765 773) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point L753(lines 753 761) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point L753-2(lines 753 761) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 746 781) no Hoare annotation was computed. [2021-02-19 16:59:53,084 INFO L189 CegarLoopUtils]: For program point L776(line 776) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point L776-1(line 776) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 746 781) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 746 781) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 213 258) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 213 258) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 213 258) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point L540(lines 540 560) no Hoare annotation was computed. [2021-02-19 16:59:53,085 INFO L189 CegarLoopUtils]: For program point L540-1(lines 540 560) no Hoare annotation was computed. [2021-02-19 16:59:53,086 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 526 571) no Hoare annotation was computed. [2021-02-19 16:59:53,086 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 526 571) no Hoare annotation was computed. [2021-02-19 16:59:53,086 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 526 571) no Hoare annotation was computed. [2021-02-19 16:59:53,086 INFO L189 CegarLoopUtils]: For program point L546(lines 546 553) no Hoare annotation was computed. [2021-02-19 16:59:53,086 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 638 648) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,086 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 638 648) no Hoare annotation was computed. [2021-02-19 16:59:53,086 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 638 648) no Hoare annotation was computed. [2021-02-19 16:59:53,086 INFO L185 CegarLoopUtils]: At program point L643(line 643) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 726 736) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point L731(line 731) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point L731-1(line 731) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point deactivatePumpENTRY(lines 718 725) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2021-02-19 16:59:53,087 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 703 709) no Hoare annotation was computed. [2021-02-19 16:59:53,088 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 703 709) the Hoare annotation is: true [2021-02-19 16:59:53,088 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 791 856) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,088 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 791 856) no Hoare annotation was computed. [2021-02-19 16:59:53,088 INFO L185 CegarLoopUtils]: At program point L849(lines 800 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,088 INFO L189 CegarLoopUtils]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-02-19 16:59:53,088 INFO L185 CegarLoopUtils]: At program point L839-2(lines 831 844) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,088 INFO L189 CegarLoopUtils]: For program point L802(lines 801 848) no Hoare annotation was computed. [2021-02-19 16:59:53,088 INFO L185 CegarLoopUtils]: At program point L833(line 833) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,089 INFO L189 CegarLoopUtils]: For program point L831(lines 831 844) no Hoare annotation was computed. [2021-02-19 16:59:53,089 INFO L185 CegarLoopUtils]: At program point L823(line 823) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,089 INFO L189 CegarLoopUtils]: For program point L821(lines 821 827) no Hoare annotation was computed. [2021-02-19 16:59:53,089 INFO L189 CegarLoopUtils]: For program point L821-1(lines 821 827) no Hoare annotation was computed. [2021-02-19 16:59:53,089 INFO L185 CegarLoopUtils]: At program point L846(lines 801 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,089 INFO L185 CegarLoopUtils]: At program point L813(line 813) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:53,089 INFO L189 CegarLoopUtils]: For program point L811(lines 811 817) no Hoare annotation was computed. [2021-02-19 16:59:53,089 INFO L189 CegarLoopUtils]: For program point L811-1(lines 811 817) no Hoare annotation was computed. [2021-02-19 16:59:53,089 INFO L189 CegarLoopUtils]: For program point L803(lines 803 807) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 791 856) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 480 525) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 480 525) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point L500(lines 500 507) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 480 525) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point L494(lines 494 514) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point L494-1(lines 494 514) no Hoare annotation was computed. [2021-02-19 16:59:53,090 INFO L185 CegarLoopUtils]: At program point L192(line 192) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:53,090 INFO L189 CegarLoopUtils]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-02-19 16:59:53,091 INFO L189 CegarLoopUtils]: For program point L189(lines 189 199) no Hoare annotation was computed. [2021-02-19 16:59:53,091 INFO L185 CegarLoopUtils]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-02-19 16:59:53,091 INFO L189 CegarLoopUtils]: For program point L187-1(line 187) no Hoare annotation was computed. [2021-02-19 16:59:53,091 INFO L189 CegarLoopUtils]: For program point L185(lines 185 202) no Hoare annotation was computed. [2021-02-19 16:59:53,091 INFO L189 CegarLoopUtils]: For program point L185-1(lines 177 205) no Hoare annotation was computed. [2021-02-19 16:59:53,091 INFO L185 CegarLoopUtils]: At program point L183(line 183) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 16:59:53,091 INFO L189 CegarLoopUtils]: For program point L183-1(line 183) no Hoare annotation was computed. [2021-02-19 16:59:53,091 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 177 205) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 16:59:53,091 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__2EXIT(lines 177 205) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point L141(lines 141 149) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 169 176) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1FINAL(lines 169 176) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1EXIT(lines 169 176) no Hoare annotation was computed. [2021-02-19 16:59:53,092 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 377 479) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point L442(line 442) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point L442-1(line 442) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point L465(lines 465 476) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point L428(lines 428 432) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point L426-2(lines 426 446) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 377 479) no Hoare annotation was computed. [2021-02-19 16:59:53,093 INFO L189 CegarLoopUtils]: For program point L447(lines 425 448) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point L406(lines 406 422) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point L466(lines 466 473) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 377 479) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point L427(lines 426 446) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point L458-1(line 458) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point L423(lines 423 464) no Hoare annotation was computed. [2021-02-19 16:59:53,094 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:59:53,095 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 710 717) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 710 717) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 710 717) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2021-02-19 16:59:53,095 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:59:53,096 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2021-02-19 16:59:53,096 INFO L189 CegarLoopUtils]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2021-02-19 16:59:53,096 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:59:53,096 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:59:53,096 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:59:53,096 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2021-02-19 16:59:53,096 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2021-02-19 16:59:53,096 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2021-02-19 16:59:53,097 INFO L185 CegarLoopUtils]: At program point L692(line 692) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:53,097 INFO L185 CegarLoopUtils]: At program point L690(lines 690 696) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:53,097 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 679 702) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:53,097 INFO L185 CegarLoopUtils]: At program point L685(line 685) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:53,097 INFO L189 CegarLoopUtils]: For program point L683(lines 682 701) no Hoare annotation was computed. [2021-02-19 16:59:53,097 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 679 702) no Hoare annotation was computed. [2021-02-19 16:59:53,097 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 679 702) no Hoare annotation was computed. [2021-02-19 16:59:53,097 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 575 604) no Hoare annotation was computed. [2021-02-19 16:59:53,097 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 575 604) the Hoare annotation is: true [2021-02-19 16:59:53,098 INFO L192 CegarLoopUtils]: At program point L600(lines 575 604) the Hoare annotation is: true [2021-02-19 16:59:53,098 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2021-02-19 16:59:53,098 INFO L189 CegarLoopUtils]: For program point L589(lines 589 593) no Hoare annotation was computed. [2021-02-19 16:59:53,098 INFO L192 CegarLoopUtils]: At program point L589-1(lines 589 593) the Hoare annotation is: true [2021-02-19 16:59:53,098 INFO L189 CegarLoopUtils]: For program point L586(line 586) no Hoare annotation was computed. [2021-02-19 16:59:53,098 INFO L192 CegarLoopUtils]: At program point L585-2(lines 585 599) the Hoare annotation is: true [2021-02-19 16:59:53,098 INFO L192 CegarLoopUtils]: At program point L581(line 581) the Hoare annotation is: true [2021-02-19 16:59:53,098 INFO L189 CegarLoopUtils]: For program point L581-1(line 581) no Hoare annotation was computed. [2021-02-19 16:59:53,099 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2021-02-19 16:59:53,099 INFO L189 CegarLoopUtils]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2021-02-19 16:59:53,099 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2021-02-19 16:59:53,099 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 630 636) no Hoare annotation was computed. [2021-02-19 16:59:53,099 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 630 636) the Hoare annotation is: true [2021-02-19 16:59:53,099 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:59:53,099 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 16:59:53,099 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:59:53,099 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:59:53,099 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 782 789) no Hoare annotation was computed. [2021-02-19 16:59:53,100 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 782 789) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-19 16:59:53,100 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 782 789) no Hoare annotation was computed. [2021-02-19 16:59:53,100 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2021-02-19 16:59:53,100 INFO L189 CegarLoopUtils]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2021-02-19 16:59:53,100 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:53,100 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 858 865) no Hoare annotation was computed. [2021-02-19 16:59:53,100 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-02-19 16:59:53,100 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 858 865) the Hoare annotation is: true [2021-02-19 16:59:53,100 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 858 865) no Hoare annotation was computed. [2021-02-19 16:59:53,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:59:53 BoogieIcfgContainer [2021-02-19 16:59:53,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:59:53,118 INFO L168 Benchmark]: Toolchain (without parser) took 28142.93 ms. Allocated memory was 152.0 MB in the beginning and 406.8 MB in the end (delta: 254.8 MB). Free memory was 126.1 MB in the beginning and 214.6 MB in the end (delta: -88.5 MB). Peak memory consumption was 239.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:53,118 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:59:53,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.87 ms. Allocated memory is still 152.0 MB. Free memory was 125.0 MB in the beginning and 105.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:53,119 INFO L168 Benchmark]: Boogie Preprocessor took 92.59 ms. Allocated memory is still 152.0 MB. Free memory was 105.3 MB in the beginning and 101.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:53,120 INFO L168 Benchmark]: RCFGBuilder took 1179.14 ms. Allocated memory is still 152.0 MB. Free memory was 101.3 MB in the beginning and 52.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:53,120 INFO L168 Benchmark]: TraceAbstraction took 26168.15 ms. Allocated memory was 152.0 MB in the beginning and 406.8 MB in the end (delta: 254.8 MB). Free memory was 51.5 MB in the beginning and 214.6 MB in the end (delta: -163.0 MB). Peak memory consumption was 164.3 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:53,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 680.87 ms. Allocated memory is still 152.0 MB. Free memory was 125.0 MB in the beginning and 105.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.59 ms. Allocated memory is still 152.0 MB. Free memory was 105.3 MB in the beginning and 101.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1179.14 ms. Allocated memory is still 152.0 MB. Free memory was 101.3 MB in the beginning and 52.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26168.15 ms. Allocated memory was 152.0 MB in the beginning and 406.8 MB in the end (delta: 254.8 MB). Free memory was 51.5 MB in the beginning and 214.6 MB in the end (delta: -163.0 MB). Peak memory consumption was 164.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 862]: 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: 801]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 566 SDslu, 362 SDs, 0 SdLazy, 1443 SolverSat, 425 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred 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, 127 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 188 PreInvPairs, 226 NumberOfFragments, 745 HoareAnnotationTreeSize, 188 FomulaSimplifications, 89691 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9140 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 86379 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...