/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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 12:57:44,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 12:57:44,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 12:57:44,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 12:57:44,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 12:57:44,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 12:57:44,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 12:57:44,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 12:57:44,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 12:57:44,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 12:57:44,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 12:57:44,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 12:57:44,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 12:57:44,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 12:57:44,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 12:57:44,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 12:57:44,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 12:57:44,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 12:57:44,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 12:57:44,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 12:57:44,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 12:57:44,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 12:57:44,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 12:57:44,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 12:57:44,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 12:57:44,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 12:57:44,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 12:57:44,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 12:57:44,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 12:57:44,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 12:57:44,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 12:57:44,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 12:57:44,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 12:57:44,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 12:57:44,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 12:57:44,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 12:57:44,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 12:57:44,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 12:57:44,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 12:57:44,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 12:57:44,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 12:57:44,416 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 [2021-02-23 12:57:44,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 12:57:44,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 12:57:44,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 12:57:44,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 12:57:44,485 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 12:57:44,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 12:57:44,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 12:57:44,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 12:57:44,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 12:57:44,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 12:57:44,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 12:57:44,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 12:57:44,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 12:57:44,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 12:57:44,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 12:57:44,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 12:57:44,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 12:57:44,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 12:57:44,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 12:57:44,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 12:57:44,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 12:57:44,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 12:57:44,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 12:57:44,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 12:57:44,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 12:57:44,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 12:57:44,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 12:57:44,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 12:57:44,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 12:57:44,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 12:57:44,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 12:57:44,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 12:57:45,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 12:57:45,001 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 12:57:45,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2021-02-23 12:57:45,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82118e3c3/7e6d1e2a52914534a417edd34f164c14/FLAGa86a74bd8 [2021-02-23 12:57:45,728 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 12:57:45,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2021-02-23 12:57:45,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82118e3c3/7e6d1e2a52914534a417edd34f164c14/FLAGa86a74bd8 [2021-02-23 12:57:45,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82118e3c3/7e6d1e2a52914534a417edd34f164c14 [2021-02-23 12:57:45,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 12:57:46,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 12:57:46,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 12:57:46,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 12:57:46,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 12:57:46,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:57:45" (1/1) ... [2021-02-23 12:57:46,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708c1942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46, skipping insertion in model container [2021-02-23 12:57:46,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:57:45" (1/1) ... [2021-02-23 12:57:46,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 12:57:46,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 12:57:46,428 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_spec3_product33.cil.c[13664,13677] [2021-02-23 12:57:46,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:57:46,473 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 12:57:46,543 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_spec3_product33.cil.c[13664,13677] [2021-02-23 12:57:46,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:57:46,626 INFO L208 MainTranslator]: Completed translation [2021-02-23 12:57:46,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46 WrapperNode [2021-02-23 12:57:46,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 12:57:46,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 12:57:46,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 12:57:46,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 12:57:46,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (1/1) ... [2021-02-23 12:57:46,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (1/1) ... [2021-02-23 12:57:46,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (1/1) ... [2021-02-23 12:57:46,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (1/1) ... [2021-02-23 12:57:46,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (1/1) ... [2021-02-23 12:57:46,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (1/1) ... [2021-02-23 12:57:46,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (1/1) ... [2021-02-23 12:57:46,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 12:57:46,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 12:57:46,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 12:57:46,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 12:57:46,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (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 [2021-02-23 12:57:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 12:57:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 12:57:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 12:57:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 12:57:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 12:57:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 12:57:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 12:57:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 12:57:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 12:57:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 12:57:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 12:57:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 12:57:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 12:57:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 12:57:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 12:57:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 12:57:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 12:57:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 12:57:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 12:57:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 12:57:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 12:57:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 12:57:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 12:57:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 12:57:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 12:57:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 12:57:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 12:57:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 12:57:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 12:57:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 12:57:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 12:57:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 12:57:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 12:57:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-23 12:57:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 12:57:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 12:57:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 12:57:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 12:57:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 12:57:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 12:57:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 12:57:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 12:57:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 12:57:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 12:57:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 12:57:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 12:57:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 12:57:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 12:57:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 12:57:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 12:57:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 12:57:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 12:57:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 12:57:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 12:57:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 12:57:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 12:57:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 12:57:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 12:57:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 12:57:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 12:57:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 12:57:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 12:57:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 12:57:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 12:57:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 12:57:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 12:57:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 12:57:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 12:57:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 12:57:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 12:57:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 12:57:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 12:57:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 12:57:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 12:57:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 12:57:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 12:57:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 12:57:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 12:57:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 12:57:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 12:57:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 12:57:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-23 12:57:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 12:57:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 12:57:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 12:57:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 12:57:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 12:57:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 12:57:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 12:57:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 12:57:48,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 12:57:48,437 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 12:57:48,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:57:48 BoogieIcfgContainer [2021-02-23 12:57:48,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 12:57:48,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 12:57:48,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 12:57:48,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 12:57:48,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 12:57:45" (1/3) ... [2021-02-23 12:57:48,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fb42bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:57:48, skipping insertion in model container [2021-02-23 12:57:48,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:57:46" (2/3) ... [2021-02-23 12:57:48,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fb42bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:57:48, skipping insertion in model container [2021-02-23 12:57:48,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:57:48" (3/3) ... [2021-02-23 12:57:48,469 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-02-23 12:57:48,476 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 12:57:48,481 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 12:57:48,500 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 12:57:48,528 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 12:57:48,529 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 12:57:48,529 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 12:57:48,529 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 12:57:48,529 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 12:57:48,529 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 12:57:48,530 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 12:57:48,530 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 12:57:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2021-02-23 12:57:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-23 12:57:48,563 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:48,564 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] [2021-02-23 12:57:48,564 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:48,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:48,571 INFO L82 PathProgramCache]: Analyzing trace with hash -721172599, now seen corresponding path program 1 times [2021-02-23 12:57:48,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:48,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927266029] [2021-02-23 12:57:48,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:48,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:48,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:48,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:48,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,678 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:49,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 12:57:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 12:57:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-23 12:57:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:49,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:49,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:49,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927266029] [2021-02-23 12:57:49,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:49,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 12:57:49,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159061062] [2021-02-23 12:57:49,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 12:57:49,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:49,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 12:57:49,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:57:49,807 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2021-02-23 12:57:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:51,321 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2021-02-23 12:57:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 12:57:51,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-02-23 12:57:51,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:51,344 INFO L225 Difference]: With dead ends: 261 [2021-02-23 12:57:51,344 INFO L226 Difference]: Without dead ends: 141 [2021-02-23 12:57:51,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:57:51,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-02-23 12:57:51,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 111. [2021-02-23 12:57:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-02-23 12:57:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2021-02-23 12:57:51,490 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2021-02-23 12:57:51,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:51,491 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2021-02-23 12:57:51,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 12:57:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2021-02-23 12:57:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-02-23 12:57:51,503 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:51,503 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] [2021-02-23 12:57:51,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 12:57:51,504 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:51,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:51,505 INFO L82 PathProgramCache]: Analyzing trace with hash -856930995, now seen corresponding path program 1 times [2021-02-23 12:57:51,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:51,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956449414] [2021-02-23 12:57:51,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:51,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:51,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:51,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:51,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:51,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:51,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,034 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 12:57:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:57:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-23 12:57:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:52,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:52,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:52,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956449414] [2021-02-23 12:57:52,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:52,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 12:57:52,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285080805] [2021-02-23 12:57:52,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 12:57:52,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:52,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 12:57:52,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 12:57:52,108 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 4 states. [2021-02-23 12:57:52,654 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:57:53,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:53,466 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2021-02-23 12:57:53,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 12:57:53,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-02-23 12:57:53,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:53,469 INFO L225 Difference]: With dead ends: 194 [2021-02-23 12:57:53,469 INFO L226 Difference]: Without dead ends: 125 [2021-02-23 12:57:53,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 12:57:53,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-02-23 12:57:53,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2021-02-23 12:57:53,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-23 12:57:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2021-02-23 12:57:53,512 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 53 [2021-02-23 12:57:53,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:53,513 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2021-02-23 12:57:53,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 12:57:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2021-02-23 12:57:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-23 12:57:53,515 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:53,515 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] [2021-02-23 12:57:53,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 12:57:53,516 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:53,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:53,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1704319321, now seen corresponding path program 1 times [2021-02-23 12:57:53,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:53,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180811015] [2021-02-23 12:57:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:53,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:53,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:53,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:53,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:53,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:53,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:53,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:53,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:57:53,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:53,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:53,981 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 12:57:54,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:54,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:54,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:54,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:54,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-23 12:57:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-23 12:57:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-23 12:57:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:54,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:54,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:54,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180811015] [2021-02-23 12:57:54,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:54,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:57:54,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416189914] [2021-02-23 12:57:54,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:57:54,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:54,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:57:54,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:57:54,103 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 8 states. [2021-02-23 12:57:54,550 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:57:55,000 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:55,325 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:55,680 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:56,753 INFO L93 Difference]: Finished difference Result 203 states and 250 transitions. [2021-02-23 12:57:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 12:57:56,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2021-02-23 12:57:56,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:56,756 INFO L225 Difference]: With dead ends: 203 [2021-02-23 12:57:56,756 INFO L226 Difference]: Without dead ends: 125 [2021-02-23 12:57:56,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 12:57:56,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-02-23 12:57:56,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2021-02-23 12:57:56,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-23 12:57:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2021-02-23 12:57:56,796 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 57 [2021-02-23 12:57:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:56,797 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2021-02-23 12:57:56,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:57:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2021-02-23 12:57:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-23 12:57:56,799 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:56,799 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, 1] [2021-02-23 12:57:56,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 12:57:56,800 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:56,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:56,801 INFO L82 PathProgramCache]: Analyzing trace with hash 807508702, now seen corresponding path program 1 times [2021-02-23 12:57:56,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:56,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924652165] [2021-02-23 12:57:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:56,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:56,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:56,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:56,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:56,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:56,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:56,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:56,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:56,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:56,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:56,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:56,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,224 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:57,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:57,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-23 12:57:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:57,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:57:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 12:57:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-23 12:57:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 12:57:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 12:57:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:57,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:57,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:57,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924652165] [2021-02-23 12:57:57,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:57,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 12:57:57,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116401425] [2021-02-23 12:57:57,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 12:57:57,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:57,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 12:57:57,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 12:57:57,324 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2021-02-23 12:57:57,730 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:57:59,178 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:57:59,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:59,725 INFO L93 Difference]: Finished difference Result 298 states and 368 transitions. [2021-02-23 12:57:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 12:57:59,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2021-02-23 12:57:59,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:59,731 INFO L225 Difference]: With dead ends: 298 [2021-02-23 12:57:59,731 INFO L226 Difference]: Without dead ends: 220 [2021-02-23 12:57:59,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-02-23 12:57:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-02-23 12:57:59,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 179. [2021-02-23 12:57:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-02-23 12:57:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 206 transitions. [2021-02-23 12:57:59,788 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 206 transitions. Word has length 65 [2021-02-23 12:57:59,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:59,788 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 206 transitions. [2021-02-23 12:57:59,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 12:57:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 206 transitions. [2021-02-23 12:57:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-02-23 12:57:59,790 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:59,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:57:59,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 12:57:59,791 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:59,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:59,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1279239116, now seen corresponding path program 1 times [2021-02-23 12:57:59,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:59,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550686934] [2021-02-23 12:57:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:59,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:59,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:59,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:59,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:59,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:59,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:59,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:59,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:59,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,270 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:58:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:58:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 12:58:00,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:58:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:58:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:58:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:58:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-23 12:58:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 12:58:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 12:58:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-23 12:58:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 12:58:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-23 12:58:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-23 12:58:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:00,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:00,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:58:00,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550686934] [2021-02-23 12:58:00,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:58:00,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:58:00,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947426625] [2021-02-23 12:58:00,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:58:00,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:58:00,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:58:00,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:58:00,448 INFO L87 Difference]: Start difference. First operand 179 states and 206 transitions. Second operand 8 states. [2021-02-23 12:58:00,978 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:58:02,402 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:02,882 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:03,275 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:03,674 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:58:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:58:04,422 INFO L93 Difference]: Finished difference Result 486 states and 614 transitions. [2021-02-23 12:58:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 12:58:04,425 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2021-02-23 12:58:04,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:58:04,428 INFO L225 Difference]: With dead ends: 486 [2021-02-23 12:58:04,428 INFO L226 Difference]: Without dead ends: 331 [2021-02-23 12:58:04,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-02-23 12:58:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-02-23 12:58:04,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2021-02-23 12:58:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2021-02-23 12:58:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 341 transitions. [2021-02-23 12:58:04,510 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 341 transitions. Word has length 79 [2021-02-23 12:58:04,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:58:04,511 INFO L480 AbstractCegarLoop]: Abstraction has 291 states and 341 transitions. [2021-02-23 12:58:04,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:58:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 341 transitions. [2021-02-23 12:58:04,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-23 12:58:04,513 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:58:04,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:58:04,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 12:58:04,513 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:58:04,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:58:04,514 INFO L82 PathProgramCache]: Analyzing trace with hash -277807430, now seen corresponding path program 1 times [2021-02-23 12:58:04,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:58:04,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980778759] [2021-02-23 12:58:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:58:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:04,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-02-23 12:58:04,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size 1 [2021-02-23 12:58:04,585 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 12:58:04,586 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 12:58:04,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:58:04,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:58:04,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,926 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:58:04,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:58:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:04,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:58:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:04,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:58:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:04,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:58:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:04,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:58:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:04,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 12:58:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:04,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:04,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:04,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:58:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:05,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:05,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 12:58:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:05,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:05,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 12:58:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:05,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:05,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:05,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-23 12:58:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:05,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-23 12:58:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:05,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:05,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-23 12:58:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:05,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:05,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-02-23 12:58:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:05,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:05,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:58:05,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980778759] [2021-02-23 12:58:05,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:58:05,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 12:58:05,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183271082] [2021-02-23 12:58:05,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 12:58:05,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:58:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 12:58:05,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-23 12:58:05,084 INFO L87 Difference]: Start difference. First operand 291 states and 341 transitions. Second operand 10 states. [2021-02-23 12:58:05,643 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:58:07,298 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:07,780 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 12:58:08,200 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 12:58:08,599 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:58:09,152 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:10,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:58:10,215 INFO L93 Difference]: Finished difference Result 651 states and 830 transitions. [2021-02-23 12:58:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 12:58:10,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2021-02-23 12:58:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:58:10,221 INFO L225 Difference]: With dead ends: 651 [2021-02-23 12:58:10,221 INFO L226 Difference]: Without dead ends: 485 [2021-02-23 12:58:10,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-02-23 12:58:10,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-02-23 12:58:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 417. [2021-02-23 12:58:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2021-02-23 12:58:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 496 transitions. [2021-02-23 12:58:10,332 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 496 transitions. Word has length 83 [2021-02-23 12:58:10,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:58:10,332 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 496 transitions. [2021-02-23 12:58:10,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 12:58:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 496 transitions. [2021-02-23 12:58:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-23 12:58:10,335 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:58:10,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:58:10,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 12:58:10,335 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:58:10,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:58:10,336 INFO L82 PathProgramCache]: Analyzing trace with hash 51958331, now seen corresponding path program 1 times [2021-02-23 12:58:10,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:58:10,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65714479] [2021-02-23 12:58:10,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:58:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,698 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:58:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:58:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:58:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:58:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:58:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:58:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 12:58:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:58:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 12:58:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 12:58:10,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 12:58:10,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 12:58:10,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 12:58:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 12:58:10,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-23 12:58:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-23 12:58:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-23 12:58:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-02-23 12:58:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:10,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:10,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:58:10,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65714479] [2021-02-23 12:58:10,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:58:10,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:58:10,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413532950] [2021-02-23 12:58:10,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:58:10,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:58:10,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:58:10,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:58:10,874 INFO L87 Difference]: Start difference. First operand 417 states and 496 transitions. Second operand 8 states. [2021-02-23 12:58:11,930 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:12,310 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 12:58:12,708 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:58:13,685 INFO L93 Difference]: Finished difference Result 769 states and 955 transitions. [2021-02-23 12:58:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 12:58:13,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2021-02-23 12:58:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:58:13,690 INFO L225 Difference]: With dead ends: 769 [2021-02-23 12:58:13,690 INFO L226 Difference]: Without dead ends: 473 [2021-02-23 12:58:13,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-02-23 12:58:13,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-02-23 12:58:13,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 417. [2021-02-23 12:58:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2021-02-23 12:58:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 495 transitions. [2021-02-23 12:58:13,797 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 495 transitions. Word has length 83 [2021-02-23 12:58:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:58:13,798 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 495 transitions. [2021-02-23 12:58:13,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:58:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 495 transitions. [2021-02-23 12:58:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-23 12:58:13,800 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:58:13,800 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:58:13,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 12:58:13,801 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:58:13,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:58:13,801 INFO L82 PathProgramCache]: Analyzing trace with hash -20428227, now seen corresponding path program 1 times [2021-02-23 12:58:13,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:58:13,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694640526] [2021-02-23 12:58:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:58:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:13,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:13,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:13,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:13,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:13,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:13,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:13,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:13,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:13,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:13,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,161 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:58:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:58:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:58:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:58:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:58:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:14,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:58:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 12:58:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:58:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:58:14,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:58:14,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 12:58:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:14,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:14,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 12:58:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-23 12:58:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-23 12:58:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-23 12:58:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-02-23 12:58:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:14,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:14,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:58:14,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694640526] [2021-02-23 12:58:14,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:58:14,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 12:58:14,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503871358] [2021-02-23 12:58:14,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 12:58:14,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:58:14,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 12:58:14,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-02-23 12:58:14,351 INFO L87 Difference]: Start difference. First operand 417 states and 495 transitions. Second operand 12 states. [2021-02-23 12:58:14,980 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:58:15,379 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:58:15,747 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:58:16,569 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:58:16,951 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 12:58:17,363 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:17,726 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:18,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:58:18,804 INFO L93 Difference]: Finished difference Result 828 states and 1030 transitions. [2021-02-23 12:58:18,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 12:58:18,804 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2021-02-23 12:58:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:58:18,810 INFO L225 Difference]: With dead ends: 828 [2021-02-23 12:58:18,810 INFO L226 Difference]: Without dead ends: 435 [2021-02-23 12:58:18,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-02-23 12:58:18,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-02-23 12:58:18,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 390. [2021-02-23 12:58:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2021-02-23 12:58:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 461 transitions. [2021-02-23 12:58:18,930 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 461 transitions. Word has length 83 [2021-02-23 12:58:18,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:58:18,931 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 461 transitions. [2021-02-23 12:58:18,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 12:58:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 461 transitions. [2021-02-23 12:58:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-02-23 12:58:18,935 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:58:18,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:58:18,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 12:58:18,936 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:58:18,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:58:18,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1830811269, now seen corresponding path program 1 times [2021-02-23 12:58:18,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:58:18,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034011710] [2021-02-23 12:58:18,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:58:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:19,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:19,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:58:19,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:58:19,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:58:19,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,406 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:58:19,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:58:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:58:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:58:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:58:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:19,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:58:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 12:58:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:58:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 12:58:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 12:58:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-23 12:58:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:19,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-02-23 12:58:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 12:58:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:58:19,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-02-23 12:58:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:58:19,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:58:19,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:58:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:58:19,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034011710] [2021-02-23 12:58:19,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:58:19,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 12:58:19,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333415666] [2021-02-23 12:58:19,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 12:58:19,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:58:19,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 12:58:19,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-02-23 12:58:19,564 INFO L87 Difference]: Start difference. First operand 390 states and 461 transitions. Second operand 13 states. [2021-02-23 12:58:20,282 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:58:20,677 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:58:21,062 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:58:22,244 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:58:23,166 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:58:23,686 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 12:58:24,110 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 12:58:24,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:58:24,730 INFO L93 Difference]: Finished difference Result 771 states and 924 transitions. [2021-02-23 12:58:24,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 12:58:24,731 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2021-02-23 12:58:24,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:58:24,732 INFO L225 Difference]: With dead ends: 771 [2021-02-23 12:58:24,732 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 12:58:24,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2021-02-23 12:58:24,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 12:58:24,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 12:58:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 12:58:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 12:58:24,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2021-02-23 12:58:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:58:24,737 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 12:58:24,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 12:58:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 12:58:24,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 12:58:24,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 12:58:24,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 12:58:25,677 WARN L202 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 32 [2021-02-23 12:58:26,075 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-02-23 12:58:28,339 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 244 [2021-02-23 12:58:28,971 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2021-02-23 12:58:29,891 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 19 [2021-02-23 12:58:30,726 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 15 [2021-02-23 12:58:31,010 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2021-02-23 12:58:31,298 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-02-23 12:58:31,788 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 21 [2021-02-23 12:58:32,047 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2021-02-23 12:58:32,648 WARN L202 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2021-02-23 12:58:32,930 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2021-02-23 12:58:33,277 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2021-02-23 12:58:33,619 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:58:33,899 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-02-23 12:58:34,189 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-02-23 12:58:34,446 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2021-02-23 12:58:35,151 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 25 [2021-02-23 12:58:35,932 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2021-02-23 12:58:36,261 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-23 12:58:37,015 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 16 [2021-02-23 12:58:37,260 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2021-02-23 12:58:37,795 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 11 [2021-02-23 12:58:38,341 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 15 [2021-02-23 12:58:39,074 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 20 [2021-02-23 12:58:39,612 WARN L202 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 11 [2021-02-23 12:58:40,233 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2021-02-23 12:58:40,520 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-02-23 12:58:40,797 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-02-23 12:58:41,357 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2021-02-23 12:58:41,620 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2021-02-23 12:58:41,889 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-02-23 12:58:42,144 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2021-02-23 12:58:42,386 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2021-02-23 12:58:42,731 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 19 [2021-02-23 12:58:43,399 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 23 [2021-02-23 12:58:43,700 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2021-02-23 12:58:44,002 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2021-02-23 12:58:44,281 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2021-02-23 12:58:44,865 WARN L202 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 15 [2021-02-23 12:58:44,869 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 12:58:44,870 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 12:58:44,870 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 12:58:44,870 INFO L189 CegarLoopUtils]: For program point L322-2(lines 322 343) no Hoare annotation was computed. [2021-02-23 12:58:44,870 INFO L189 CegarLoopUtils]: For program point L344(lines 321 345) no Hoare annotation was computed. [2021-02-23 12:58:44,870 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 297 352) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point L328(lines 328 332) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 297 352) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point L323(line 323) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 297 352) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point L385(lines 385 389) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point L385-1(lines 385 389) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point L380(line 380) no Hoare annotation was computed. [2021-02-23 12:58:44,871 INFO L189 CegarLoopUtils]: For program point L379-2(lines 379 404) no Hoare annotation was computed. [2021-02-23 12:58:44,872 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 353 412) no Hoare annotation was computed. [2021-02-23 12:58:44,872 INFO L189 CegarLoopUtils]: For program point L405(lines 378 406) no Hoare annotation was computed. [2021-02-23 12:58:44,872 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 353 412) no Hoare annotation was computed. [2021-02-23 12:58:44,872 INFO L189 CegarLoopUtils]: For program point L398(line 398) no Hoare annotation was computed. [2021-02-23 12:58:44,872 INFO L189 CegarLoopUtils]: For program point L398-1(line 398) no Hoare annotation was computed. [2021-02-23 12:58:44,872 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 353 412) no Hoare annotation was computed. [2021-02-23 12:58:44,872 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 893 899) the Hoare annotation is: true [2021-02-23 12:58:44,872 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 893 899) no Hoare annotation was computed. [2021-02-23 12:58:44,873 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 900 908) no Hoare annotation was computed. [2021-02-23 12:58:44,873 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 900 908) the Hoare annotation is: true [2021-02-23 12:58:44,873 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 900 908) no Hoare annotation was computed. [2021-02-23 12:58:44,873 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-23 12:58:44,873 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2021-02-23 12:58:44,873 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2021-02-23 12:58:44,873 INFO L185 CegarLoopUtils]: At program point L233(line 233) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 12:58:44,874 INFO L185 CegarLoopUtils]: At program point L233-1(line 233) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 12:58:44,874 INFO L189 CegarLoopUtils]: For program point L231(lines 231 238) no Hoare annotation was computed. [2021-02-23 12:58:44,874 INFO L189 CegarLoopUtils]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2021-02-23 12:58:44,874 INFO L189 CegarLoopUtils]: For program point L229(line 229) no Hoare annotation was computed. [2021-02-23 12:58:44,874 INFO L185 CegarLoopUtils]: At program point L228(line 228) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-23 12:58:44,874 INFO L185 CegarLoopUtils]: At program point L227(line 227) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-23 12:58:44,874 INFO L185 CegarLoopUtils]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-23 12:58:44,874 INFO L189 CegarLoopUtils]: For program point L193(line 193) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point L192(line 192) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 176 199) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point L190(line 190) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point L189(line 189) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 176 199) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 176 199) no Hoare annotation was computed. [2021-02-23 12:58:44,875 INFO L189 CegarLoopUtils]: For program point L187(line 187) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point L186(line 186) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point L184(line 184) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point L183(line 183) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point L181(line 181) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 776 784) no Hoare annotation was computed. [2021-02-23 12:58:44,876 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 776 784) the Hoare annotation is: true [2021-02-23 12:58:44,876 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 776 784) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point L792(lines 792 800) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point L792-2(lines 792 800) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point L815(line 815) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 785 820) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point L815-1(line 815) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 785 820) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point L804(lines 804 812) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 785 820) no Hoare annotation was computed. [2021-02-23 12:58:44,877 INFO L189 CegarLoopUtils]: For program point L804-2(lines 804 812) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 886 892) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 886 892) the Hoare annotation is: true [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 251 296) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 251 296) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 251 296) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point L578-1(lines 578 598) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 564 609) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 564 609) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point L584(lines 584 591) no Hoare annotation was computed. [2021-02-23 12:58:44,878 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 564 609) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point L578(lines 578 598) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 208 217) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 208 217) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 208 217) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point L770-1(line 770) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 765 775) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 765 775) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 765 775) no Hoare annotation was computed. [2021-02-23 12:58:44,879 INFO L189 CegarLoopUtils]: For program point L770(line 770) no Hoare annotation was computed. [2021-02-23 12:58:44,880 INFO L189 CegarLoopUtils]: For program point deactivatePumpENTRY(lines 757 764) no Hoare annotation was computed. [2021-02-23 12:58:44,880 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2021-02-23 12:58:44,880 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 757 764) no Hoare annotation was computed. [2021-02-23 12:58:44,880 INFO L189 CegarLoopUtils]: For program point isHighWaterSensorDryEXIT(lines 128 141) no Hoare annotation was computed. [2021-02-23 12:58:44,880 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-02-23 12:58:44,880 INFO L192 CegarLoopUtils]: At program point isHighWaterSensorDryENTRY(lines 128 141) the Hoare annotation is: true [2021-02-23 12:58:44,880 INFO L189 CegarLoopUtils]: For program point isHighWaterSensorDryFINAL(lines 128 141) no Hoare annotation was computed. [2021-02-23 12:58:44,880 INFO L185 CegarLoopUtils]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (= 0 processEnvironment_~tmp~5)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2021-02-23 12:58:44,880 INFO L189 CegarLoopUtils]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-02-23 12:58:44,881 INFO L185 CegarLoopUtils]: At program point L730(line 730) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2021-02-23 12:58:44,881 INFO L189 CegarLoopUtils]: For program point L730-1(line 730) no Hoare annotation was computed. [2021-02-23 12:58:44,881 INFO L189 CegarLoopUtils]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-02-23 12:58:44,881 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 724 748) no Hoare annotation was computed. [2021-02-23 12:58:44,881 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 724 748) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2021-02-23 12:58:44,881 INFO L185 CegarLoopUtils]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2021-02-23 12:58:44,881 INFO L189 CegarLoopUtils]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2021-02-23 12:58:44,881 INFO L185 CegarLoopUtils]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2021-02-23 12:58:44,881 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2021-02-23 12:58:44,882 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2021-02-23 12:58:44,882 INFO L185 CegarLoopUtils]: At program point L673(lines 630 675) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2021-02-23 12:58:44,882 INFO L189 CegarLoopUtils]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-02-23 12:58:44,882 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 620 683) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-23 12:58:44,882 INFO L189 CegarLoopUtils]: For program point L640-1(lines 640 646) no Hoare annotation was computed. [2021-02-23 12:58:44,882 INFO L189 CegarLoopUtils]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-02-23 12:58:44,882 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 620 683) no Hoare annotation was computed. [2021-02-23 12:58:44,882 INFO L185 CegarLoopUtils]: At program point L676(lines 629 677) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 12:58:44,882 INFO L189 CegarLoopUtils]: For program point L666(lines 666 670) no Hoare annotation was computed. [2021-02-23 12:58:44,883 INFO L185 CegarLoopUtils]: At program point L666-2(lines 660 671) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0))) [2021-02-23 12:58:44,883 INFO L189 CegarLoopUtils]: For program point L631(lines 630 675) no Hoare annotation was computed. [2021-02-23 12:58:44,883 INFO L189 CegarLoopUtils]: For program point L660(lines 660 671) no Hoare annotation was computed. [2021-02-23 12:58:44,883 INFO L185 CegarLoopUtils]: At program point L652(line 652) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0))) [2021-02-23 12:58:44,883 INFO L189 CegarLoopUtils]: For program point L650(lines 650 656) no Hoare annotation was computed. [2021-02-23 12:58:44,883 INFO L189 CegarLoopUtils]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2021-02-23 12:58:44,883 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 620 683) no Hoare annotation was computed. [2021-02-23 12:58:44,883 INFO L185 CegarLoopUtils]: At program point L642(line 642) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2021-02-23 12:58:44,883 INFO L189 CegarLoopUtils]: For program point L538(lines 538 545) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 518 563) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 518 563) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point L532(lines 532 552) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point L532-1(lines 532 552) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 518 563) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point L104(lines 104 112) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2021-02-23 12:58:44,884 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 415 517) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L444(lines 444 460) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L504(lines 504 511) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L465(lines 464 484) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L496(line 496) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L496-1(line 496) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L461(lines 461 502) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 415 517) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2021-02-23 12:58:44,885 INFO L189 CegarLoopUtils]: For program point L480-1(line 480) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point L503(lines 503 514) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 415 517) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point L464-2(lines 464 484) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point L485(lines 463 486) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 876 885) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 876 885) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 876 885) no Hoare annotation was computed. [2021-02-23 12:58:44,886 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:58:44,887 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~string12.offset| |old(#t~string12.offset)|) (= |#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~string49.base| |old(#t~string49.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#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~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#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~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#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)|)) [2021-02-23 12:58:44,887 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:58:44,887 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 749 756) no Hoare annotation was computed. [2021-02-23 12:58:44,887 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 749 756) no Hoare annotation was computed. [2021-02-23 12:58:44,887 INFO L185 CegarLoopUtils]: At program point activatePumpENTRY(lines 749 756) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 12:58:44,888 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 119 127) the Hoare annotation is: true [2021-02-23 12:58:44,888 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2021-02-23 12:58:44,888 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2021-02-23 12:58:44,888 INFO L189 CegarLoopUtils]: For program point isHighWaterLevelEXIT(lines 821 839) no Hoare annotation was computed. [2021-02-23 12:58:44,888 INFO L189 CegarLoopUtils]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-02-23 12:58:44,888 INFO L192 CegarLoopUtils]: At program point L828(line 828) the Hoare annotation is: true [2021-02-23 12:58:44,888 INFO L189 CegarLoopUtils]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-02-23 12:58:44,888 INFO L189 CegarLoopUtils]: For program point L828-1(line 828) no Hoare annotation was computed. [2021-02-23 12:58:44,888 INFO L192 CegarLoopUtils]: At program point isHighWaterLevelENTRY(lines 821 839) the Hoare annotation is: true [2021-02-23 12:58:44,888 INFO L189 CegarLoopUtils]: For program point isHighWaterLevelFINAL(lines 821 839) no Hoare annotation was computed. [2021-02-23 12:58:44,889 INFO L189 CegarLoopUtils]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2021-02-23 12:58:44,889 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-02-23 12:58:44,889 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2021-02-23 12:58:44,889 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:58:44,889 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-23 12:58:44,889 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:58:44,889 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 87 95) the Hoare annotation is: true [2021-02-23 12:58:44,889 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2021-02-23 12:58:44,889 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2021-02-23 12:58:44,890 INFO L185 CegarLoopUtils]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse2 .cse0 .cse1) (or (<= ~waterLevel~0 1) .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse1))) [2021-02-23 12:58:44,890 INFO L185 CegarLoopUtils]: At program point L703(lines 703 709) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse2) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse3 .cse4 .cse1) (and (<= 1 ~pumpRunning~0) .cse4) .cse2 (not (= |old(~pumpRunning~0)| 0)))))) [2021-02-23 12:58:44,890 INFO L185 CegarLoopUtils]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2021-02-23 12:58:44,890 INFO L189 CegarLoopUtils]: For program point L696(lines 695 714) no Hoare annotation was computed. [2021-02-23 12:58:44,890 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 692 715) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-02-23 12:58:44,890 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2021-02-23 12:58:44,891 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 692 715) no Hoare annotation was computed. [2021-02-23 12:58:44,891 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 145 174) no Hoare annotation was computed. [2021-02-23 12:58:44,891 INFO L189 CegarLoopUtils]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-02-23 12:58:44,891 INFO L192 CegarLoopUtils]: At program point L159-1(lines 159 163) the Hoare annotation is: true [2021-02-23 12:58:44,891 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 145 174) the Hoare annotation is: true [2021-02-23 12:58:44,891 INFO L189 CegarLoopUtils]: For program point L156(line 156) no Hoare annotation was computed. [2021-02-23 12:58:44,891 INFO L192 CegarLoopUtils]: At program point L155-2(lines 155 169) the Hoare annotation is: true [2021-02-23 12:58:44,891 INFO L192 CegarLoopUtils]: At program point L151(line 151) the Hoare annotation is: true [2021-02-23 12:58:44,891 INFO L189 CegarLoopUtils]: For program point L151-1(line 151) no Hoare annotation was computed. [2021-02-23 12:58:44,891 INFO L192 CegarLoopUtils]: At program point L170(lines 145 174) the Hoare annotation is: true [2021-02-23 12:58:44,892 INFO L189 CegarLoopUtils]: For program point L166(line 166) no Hoare annotation was computed. [2021-02-23 12:58:44,892 INFO L185 CegarLoopUtils]: At program point L864(line 864) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= ~waterLevel~0 1))))) [2021-02-23 12:58:44,892 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification3_spec__1EXIT(lines 841 873) no Hoare annotation was computed. [2021-02-23 12:58:44,892 INFO L189 CegarLoopUtils]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-02-23 12:58:44,892 INFO L185 CegarLoopUtils]: At program point L858(line 858) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1))) [2021-02-23 12:58:44,892 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 841 873) the Hoare annotation is: true [2021-02-23 12:58:44,892 INFO L189 CegarLoopUtils]: For program point L858-1(line 858) no Hoare annotation was computed. [2021-02-23 12:58:44,892 INFO L189 CegarLoopUtils]: For program point L856(lines 856 869) no Hoare annotation was computed. [2021-02-23 12:58:44,893 INFO L189 CegarLoopUtils]: For program point L856-1(lines 841 873) no Hoare annotation was computed. [2021-02-23 12:58:44,893 INFO L192 CegarLoopUtils]: At program point L854(line 854) the Hoare annotation is: true [2021-02-23 12:58:44,893 INFO L189 CegarLoopUtils]: For program point L854-1(line 854) no Hoare annotation was computed. [2021-02-23 12:58:44,893 INFO L189 CegarLoopUtils]: For program point L850(lines 850 870) no Hoare annotation was computed. [2021-02-23 12:58:44,893 INFO L192 CegarLoopUtils]: At program point L848(line 848) the Hoare annotation is: true [2021-02-23 12:58:44,893 INFO L189 CegarLoopUtils]: For program point L848-1(line 848) no Hoare annotation was computed. [2021-02-23 12:58:44,893 INFO L185 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2021-02-23 12:58:44,893 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2021-02-23 12:58:44,893 INFO L189 CegarLoopUtils]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2021-02-23 12:58:44,894 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 200 206) no Hoare annotation was computed. [2021-02-23 12:58:44,894 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 200 206) the Hoare annotation is: true [2021-02-23 12:58:44,894 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:58:44,894 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-23 12:58:44,894 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 12:58:44,894 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:58:44,894 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2021-02-23 12:58:44,894 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= |old(~waterLevel~0)| 1)) .cse1) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1))) [2021-02-23 12:58:44,895 INFO L189 CegarLoopUtils]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2021-02-23 12:58:44,895 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 611 618) no Hoare annotation was computed. [2021-02-23 12:58:44,895 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-02-23 12:58:44,895 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 611 618) the Hoare annotation is: true [2021-02-23 12:58:44,895 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 611 618) no Hoare annotation was computed. [2021-02-23 12:58:44,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 12:58:44 BoogieIcfgContainer [2021-02-23 12:58:44,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 12:58:44,913 INFO L168 Benchmark]: Toolchain (without parser) took 58912.24 ms. Allocated memory was 156.2 MB in the beginning and 433.1 MB in the end (delta: 276.8 MB). Free memory was 131.7 MB in the beginning and 346.8 MB in the end (delta: -215.1 MB). Peak memory consumption was 264.1 MB. Max. memory is 8.0 GB. [2021-02-23 12:58:44,913 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 156.2 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 12:58:44,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.62 ms. Allocated memory is still 156.2 MB. Free memory was 130.6 MB in the beginning and 109.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-23 12:58:44,914 INFO L168 Benchmark]: Boogie Preprocessor took 235.44 ms. Allocated memory is still 156.2 MB. Free memory was 109.7 MB in the beginning and 138.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. [2021-02-23 12:58:44,914 INFO L168 Benchmark]: RCFGBuilder took 1570.70 ms. Allocated memory is still 156.2 MB. Free memory was 138.4 MB in the beginning and 51.9 MB in the end (delta: 86.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2021-02-23 12:58:44,914 INFO L168 Benchmark]: TraceAbstraction took 56453.38 ms. Allocated memory was 156.2 MB in the beginning and 433.1 MB in the end (delta: 276.8 MB). Free memory was 136.3 MB in the beginning and 346.8 MB in the end (delta: -210.5 MB). Peak memory consumption was 267.8 MB. Max. memory is 8.0 GB. [2021-02-23 12:58:44,915 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 156.2 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 613.62 ms. Allocated memory is still 156.2 MB. Free memory was 130.6 MB in the beginning and 109.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 235.44 ms. Allocated memory is still 156.2 MB. Free memory was 109.7 MB in the beginning and 138.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1570.70 ms. Allocated memory is still 156.2 MB. Free memory was 138.4 MB in the beginning and 51.9 MB in the end (delta: 86.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 56453.38 ms. Allocated memory was 156.2 MB in the beginning and 433.1 MB in the end (delta: 276.8 MB). Free memory was 136.3 MB in the beginning and 346.8 MB in the end (delta: -210.5 MB). Peak memory consumption was 267.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 615]: 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: 629]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || (1 <= pumpRunning && splverifierCounter == 0)) || ((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.2s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 29.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 893 SDtfs, 1366 SDslu, 1148 SDs, 0 SdLazy, 5093 SolverSat, 832 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 326 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 814 PreInvPairs, 872 NumberOfFragments, 959 HoareAnnotationTreeSize, 814 FomulaSimplifications, 3313662 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 51 FomulaSimplificationsInter, 101934 FormulaSimplificationTreeSizeReductionInter, 15.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 630 ConstructedInterpolants, 0 QuantifiedInterpolants, 199837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...