/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:15:53,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:15:53,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:15:53,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:15:53,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:15:53,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:15:53,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:15:53,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:15:53,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:15:53,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:15:53,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:15:53,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:15:53,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:15:53,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:15:53,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:15:53,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:15:53,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:15:53,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:15:53,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:15:53,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:15:53,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:15:53,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:15:53,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:15:53,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:15:53,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:15:53,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:15:53,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:15:53,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:15:53,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:15:53,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:15:53,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:15:53,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:15:53,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:15:53,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:15:53,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:15:53,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:15:53,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:15:53,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:15:53,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:15:53,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:15:53,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:15:53,821 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 [2023-03-31 01:15:53,837 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:15:53,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:15:53,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:15:53,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:15:53,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:15:53,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:15:53,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:15:53,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:15:53,839 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:15:53,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:15:53,839 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:15:53,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:15:53,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:15:53,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:15:53,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:15:53,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:15:53,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:15:53,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:53,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:15:53,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:15:53,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:15:53,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:15:53,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:15:53,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:15:53,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:15:53,842 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:15:53,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:15:53,842 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:15:53,842 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:15:54,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:15:54,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:15:54,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:15:54,053 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:15:54,054 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:15:54,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2023-03-31 01:15:55,321 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:15:55,624 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:15:55,624 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2023-03-31 01:15:55,633 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bfea3a2c/4a7747233ef943c584b85e3cb005c7b4/FLAG122385dc3 [2023-03-31 01:15:55,655 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bfea3a2c/4a7747233ef943c584b85e3cb005c7b4 [2023-03-31 01:15:55,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:15:55,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:15:55,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:55,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:15:55,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:15:55,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddca3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55, skipping insertion in model container [2023-03-31 01:15:55,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:15:55,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:15:55,928 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2023-03-31 01:15:55,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:55,953 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:15:56,038 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2023-03-31 01:15:56,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:56,067 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:15:56,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56 WrapperNode [2023-03-31 01:15:56,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:56,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:15:56,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:15:56,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:15:56,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:15:56,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:15:56,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:15:56,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:15:56,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (1/1) ... [2023-03-31 01:15:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:56,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:56,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:15:56,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:15:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:15:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:15:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:15:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:15:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:15:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 01:15:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 01:15:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:15:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:15:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:15:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:15:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:15:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:15:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:15:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:15:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:15:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:15:56,379 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:15:56,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:15:57,011 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:15:57,021 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:15:57,022 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:15:57,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:57 BoogieIcfgContainer [2023-03-31 01:15:57,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:15:57,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:15:57,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:15:57,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:15:57,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:15:55" (1/3) ... [2023-03-31 01:15:57,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70aa90d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:57, skipping insertion in model container [2023-03-31 01:15:57,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:56" (2/3) ... [2023-03-31 01:15:57,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70aa90d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:57, skipping insertion in model container [2023-03-31 01:15:57,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:57" (3/3) ... [2023-03-31 01:15:57,035 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2023-03-31 01:15:57,053 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:15:57,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:15:57,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:15:57,127 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a7d1c5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:15:57,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:15:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 119 states have internal predecessors, (136), 50 states have call successors, (50), 31 states have call predecessors, (50), 31 states have return successors, (50), 44 states have call predecessors, (50), 50 states have call successors, (50) [2023-03-31 01:15:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:15:57,148 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:57,149 INFO L195 NwaCegarLoop]: 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] [2023-03-31 01:15:57,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:57,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:57,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1972391095, now seen corresponding path program 1 times [2023-03-31 01:15:57,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:57,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245295268] [2023-03-31 01:15:57,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:15:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:57,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:57,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245295268] [2023-03-31 01:15:57,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245295268] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:57,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:57,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:15:57,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880644627] [2023-03-31 01:15:57,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:57,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:15:57,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:57,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:15:57,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:57,578 INFO L87 Difference]: Start difference. First operand has 189 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 119 states have internal predecessors, (136), 50 states have call successors, (50), 31 states have call predecessors, (50), 31 states have return successors, (50), 44 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:58,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:58,200 INFO L93 Difference]: Finished difference Result 335 states and 435 transitions. [2023-03-31 01:15:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:15:58,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-03-31 01:15:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:58,219 INFO L225 Difference]: With dead ends: 335 [2023-03-31 01:15:58,219 INFO L226 Difference]: Without dead ends: 180 [2023-03-31 01:15:58,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:58,230 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 109 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:58,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 22 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:15:58,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-03-31 01:15:58,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 146. [2023-03-31 01:15:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 86 states have (on average 1.244186046511628) internal successors, (107), 97 states have internal predecessors, (107), 35 states have call successors, (35), 29 states have call predecessors, (35), 24 states have return successors, (30), 24 states have call predecessors, (30), 30 states have call successors, (30) [2023-03-31 01:15:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2023-03-31 01:15:58,301 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2023-03-31 01:15:58,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:58,303 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2023-03-31 01:15:58,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2023-03-31 01:15:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:15:58,311 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:58,311 INFO L195 NwaCegarLoop]: 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] [2023-03-31 01:15:58,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:15:58,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:58,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:58,313 INFO L85 PathProgramCache]: Analyzing trace with hash 589385509, now seen corresponding path program 1 times [2023-03-31 01:15:58,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:58,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071155223] [2023-03-31 01:15:58,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:15:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:58,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:58,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071155223] [2023-03-31 01:15:58,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071155223] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:58,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:58,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:15:58,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181011852] [2023-03-31 01:15:58,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:58,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:15:58,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:15:58,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:15:58,493 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:58,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:58,902 INFO L93 Difference]: Finished difference Result 268 states and 326 transitions. [2023-03-31 01:15:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:15:58,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-03-31 01:15:58,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:58,911 INFO L225 Difference]: With dead ends: 268 [2023-03-31 01:15:58,911 INFO L226 Difference]: Without dead ends: 164 [2023-03-31 01:15:58,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:15:58,921 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 119 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:58,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 28 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:15:58,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-03-31 01:15:58,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 137. [2023-03-31 01:15:58,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 80 states have (on average 1.25) internal successors, (100), 91 states have internal predecessors, (100), 32 states have call successors, (32), 28 states have call predecessors, (32), 24 states have return successors, (28), 22 states have call predecessors, (28), 28 states have call successors, (28) [2023-03-31 01:15:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2023-03-31 01:15:58,965 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2023-03-31 01:15:58,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:58,965 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2023-03-31 01:15:58,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2023-03-31 01:15:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-03-31 01:15:58,969 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:58,969 INFO L195 NwaCegarLoop]: 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] [2023-03-31 01:15:58,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:15:58,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:58,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:58,970 INFO L85 PathProgramCache]: Analyzing trace with hash 358309097, now seen corresponding path program 1 times [2023-03-31 01:15:58,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:58,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796192604] [2023-03-31 01:15:58,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:58,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:15:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:59,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:59,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796192604] [2023-03-31 01:15:59,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796192604] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:59,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:59,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:15:59,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799436038] [2023-03-31 01:15:59,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:59,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:15:59,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:59,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:15:59,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:15:59,151 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:59,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:59,751 INFO L93 Difference]: Finished difference Result 277 states and 340 transitions. [2023-03-31 01:15:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:15:59,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-03-31 01:15:59,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:59,754 INFO L225 Difference]: With dead ends: 277 [2023-03-31 01:15:59,754 INFO L226 Difference]: Without dead ends: 164 [2023-03-31 01:15:59,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:59,756 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 223 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:59,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 37 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:15:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-03-31 01:15:59,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 137. [2023-03-31 01:15:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 80 states have (on average 1.2375) internal successors, (99), 90 states have internal predecessors, (99), 32 states have call successors, (32), 28 states have call predecessors, (32), 24 states have return successors, (28), 22 states have call predecessors, (28), 28 states have call successors, (28) [2023-03-31 01:15:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2023-03-31 01:15:59,783 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2023-03-31 01:15:59,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:59,784 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2023-03-31 01:15:59,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2023-03-31 01:15:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-03-31 01:15:59,785 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:59,785 INFO L195 NwaCegarLoop]: 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] [2023-03-31 01:15:59,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:15:59,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:59,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1915862581, now seen corresponding path program 1 times [2023-03-31 01:15:59,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:59,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699424302] [2023-03-31 01:15:59,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:59,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:15:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:15:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-03-31 01:15:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:59,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:59,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699424302] [2023-03-31 01:15:59,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699424302] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:59,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:59,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:15:59,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604510984] [2023-03-31 01:15:59,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:59,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:15:59,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:59,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:15:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:15:59,997 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-03-31 01:16:00,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:00,538 INFO L93 Difference]: Finished difference Result 375 states and 463 transitions. [2023-03-31 01:16:00,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:16:00,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 69 [2023-03-31 01:16:00,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:00,541 INFO L225 Difference]: With dead ends: 375 [2023-03-31 01:16:00,541 INFO L226 Difference]: Without dead ends: 262 [2023-03-31 01:16:00,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:16:00,543 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 365 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:00,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 86 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:16:00,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-03-31 01:16:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 221. [2023-03-31 01:16:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 133 states have (on average 1.1954887218045114) internal successors, (159), 141 states have internal predecessors, (159), 43 states have call successors, (43), 41 states have call predecessors, (43), 44 states have return successors, (48), 43 states have call predecessors, (48), 39 states have call successors, (48) [2023-03-31 01:16:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2023-03-31 01:16:00,577 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2023-03-31 01:16:00,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:00,577 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2023-03-31 01:16:00,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-03-31 01:16:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2023-03-31 01:16:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-03-31 01:16:00,578 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:00,578 INFO L195 NwaCegarLoop]: 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] [2023-03-31 01:16:00,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:16:00,579 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:00,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1745341687, now seen corresponding path program 1 times [2023-03-31 01:16:00,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:00,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587024528] [2023-03-31 01:16:00,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:00,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-03-31 01:16:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-03-31 01:16:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:00,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:00,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587024528] [2023-03-31 01:16:00,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587024528] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:00,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:00,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:16:00,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722027472] [2023-03-31 01:16:00,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:00,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:16:00,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:00,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:16:00,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:16:00,885 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (19), 6 states have call predecessors, (19), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2023-03-31 01:16:02,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:02,295 INFO L93 Difference]: Finished difference Result 762 states and 974 transitions. [2023-03-31 01:16:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:16:02,296 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (19), 6 states have call predecessors, (19), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) Word has length 83 [2023-03-31 01:16:02,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:02,301 INFO L225 Difference]: With dead ends: 762 [2023-03-31 01:16:02,302 INFO L226 Difference]: Without dead ends: 565 [2023-03-31 01:16:02,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:16:02,304 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 549 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:02,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 125 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-03-31 01:16:02,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2023-03-31 01:16:02,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 507. [2023-03-31 01:16:02,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 312 states have (on average 1.1826923076923077) internal successors, (369), 332 states have internal predecessors, (369), 92 states have call successors, (92), 86 states have call predecessors, (92), 102 states have return successors, (133), 99 states have call predecessors, (133), 88 states have call successors, (133) [2023-03-31 01:16:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 594 transitions. [2023-03-31 01:16:02,385 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 594 transitions. Word has length 83 [2023-03-31 01:16:02,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:02,385 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 594 transitions. [2023-03-31 01:16:02,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (19), 6 states have call predecessors, (19), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2023-03-31 01:16:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 594 transitions. [2023-03-31 01:16:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-03-31 01:16:02,391 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:02,391 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:02,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:16:02,391 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:02,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:02,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1735982197, now seen corresponding path program 1 times [2023-03-31 01:16:02,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:02,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431356123] [2023-03-31 01:16:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:02,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 01:16:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:16:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:16:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 01:16:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:16:02,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:02,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431356123] [2023-03-31 01:16:02,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431356123] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:02,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846209831] [2023-03-31 01:16:02,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:02,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:02,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:02,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:16:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:02,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:16:02,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:02,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846209831] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:02,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:02,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-03-31 01:16:02,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787584167] [2023-03-31 01:16:02,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:02,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:02,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:02,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:02,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:16:02,879 INFO L87 Difference]: Start difference. First operand 507 states and 594 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2023-03-31 01:16:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:03,057 INFO L93 Difference]: Finished difference Result 516 states and 604 transitions. [2023-03-31 01:16:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:16:03,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2023-03-31 01:16:03,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:03,061 INFO L225 Difference]: With dead ends: 516 [2023-03-31 01:16:03,061 INFO L226 Difference]: Without dead ends: 513 [2023-03-31 01:16:03,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:16:03,062 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 95 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:03,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 624 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 01:16:03,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2023-03-31 01:16:03,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2023-03-31 01:16:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 312 states have (on average 1.1794871794871795) internal successors, (368), 332 states have internal predecessors, (368), 92 states have call successors, (92), 86 states have call predecessors, (92), 102 states have return successors, (133), 99 states have call predecessors, (133), 88 states have call successors, (133) [2023-03-31 01:16:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 593 transitions. [2023-03-31 01:16:03,108 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 593 transitions. Word has length 131 [2023-03-31 01:16:03,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:03,109 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 593 transitions. [2023-03-31 01:16:03,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2023-03-31 01:16:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 593 transitions. [2023-03-31 01:16:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-03-31 01:16:03,112 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:03,112 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:03,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 01:16:03,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 01:16:03,319 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:03,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:03,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2121134190, now seen corresponding path program 1 times [2023-03-31 01:16:03,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:03,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844931955] [2023-03-31 01:16:03,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:03,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 01:16:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:16:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:16:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:16:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,584 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 01:16:03,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:03,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844931955] [2023-03-31 01:16:03,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844931955] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:03,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198348868] [2023-03-31 01:16:03,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:03,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:03,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:03,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:03,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 01:16:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 13 conjunts are in the unsatisfiable core [2023-03-31 01:16:03,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:03,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:03,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198348868] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:03,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:03,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-03-31 01:16:03,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429508731] [2023-03-31 01:16:03,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:03,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:16:03,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:03,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:16:03,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:16:03,949 INFO L87 Difference]: Start difference. First operand 507 states and 593 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 7 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) [2023-03-31 01:16:04,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:04,816 INFO L93 Difference]: Finished difference Result 1294 states and 1677 transitions. [2023-03-31 01:16:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:16:04,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 7 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) Word has length 148 [2023-03-31 01:16:04,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:04,822 INFO L225 Difference]: With dead ends: 1294 [2023-03-31 01:16:04,823 INFO L226 Difference]: Without dead ends: 918 [2023-03-31 01:16:04,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2023-03-31 01:16:04,825 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 663 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:04,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 265 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:16:04,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2023-03-31 01:16:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 844. [2023-03-31 01:16:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 533 states have (on average 1.1969981238273921) internal successors, (638), 560 states have internal predecessors, (638), 157 states have call successors, (157), 150 states have call predecessors, (157), 153 states have return successors, (236), 150 states have call predecessors, (236), 153 states have call successors, (236) [2023-03-31 01:16:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1031 transitions. [2023-03-31 01:16:04,910 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1031 transitions. Word has length 148 [2023-03-31 01:16:04,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:04,911 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1031 transitions. [2023-03-31 01:16:04,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 7 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) [2023-03-31 01:16:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1031 transitions. [2023-03-31 01:16:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 01:16:04,913 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:04,913 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:04,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-31 01:16:05,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-03-31 01:16:05,120 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:05,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:05,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1220656373, now seen corresponding path program 1 times [2023-03-31 01:16:05,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:05,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075102060] [2023-03-31 01:16:05,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:05,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 01:16:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:16:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:16:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:16:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:16:05,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:05,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075102060] [2023-03-31 01:16:05,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075102060] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:05,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503225115] [2023-03-31 01:16:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:05,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:05,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 01:16:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:05,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:16:05,582 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:05,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503225115] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:05,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:05,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2023-03-31 01:16:05,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438343766] [2023-03-31 01:16:05,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:05,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:05,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:05,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:05,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:16:05,584 INFO L87 Difference]: Start difference. First operand 844 states and 1031 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 01:16:05,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:05,681 INFO L93 Difference]: Finished difference Result 1684 states and 2106 transitions. [2023-03-31 01:16:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:16:05,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2023-03-31 01:16:05,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:05,687 INFO L225 Difference]: With dead ends: 1684 [2023-03-31 01:16:05,687 INFO L226 Difference]: Without dead ends: 864 [2023-03-31 01:16:05,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:16:05,691 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 4 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:05,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 773 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:05,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2023-03-31 01:16:05,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2023-03-31 01:16:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 549 states have (on average 1.1912568306010929) internal successors, (654), 576 states have internal predecessors, (654), 157 states have call successors, (157), 150 states have call predecessors, (157), 157 states have return successors, (244), 154 states have call predecessors, (244), 153 states have call successors, (244) [2023-03-31 01:16:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1055 transitions. [2023-03-31 01:16:05,773 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1055 transitions. Word has length 153 [2023-03-31 01:16:05,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:05,774 INFO L495 AbstractCegarLoop]: Abstraction has 864 states and 1055 transitions. [2023-03-31 01:16:05,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 01:16:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1055 transitions. [2023-03-31 01:16:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 01:16:05,776 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:05,777 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:05,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:05,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:05,988 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:05,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:05,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1767168525, now seen corresponding path program 1 times [2023-03-31 01:16:05,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:05,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896967456] [2023-03-31 01:16:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:05,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 01:16:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:16:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:16:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:16:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:16:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:06,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896967456] [2023-03-31 01:16:06,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896967456] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:06,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130650608] [2023-03-31 01:16:06,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:06,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:06,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:06,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:06,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 01:16:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 5 conjunts are in the unsatisfiable core [2023-03-31 01:16:06,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:16:06,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:06,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130650608] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:06,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:06,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-03-31 01:16:06,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973821632] [2023-03-31 01:16:06,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:06,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 01:16:06,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:06,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 01:16:06,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:06,430 INFO L87 Difference]: Start difference. First operand 864 states and 1055 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 01:16:06,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:06,514 INFO L93 Difference]: Finished difference Result 1573 states and 1964 transitions. [2023-03-31 01:16:06,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:16:06,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2023-03-31 01:16:06,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:06,519 INFO L225 Difference]: With dead ends: 1573 [2023-03-31 01:16:06,519 INFO L226 Difference]: Without dead ends: 733 [2023-03-31 01:16:06,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:06,522 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 3 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:06,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 623 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:06,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2023-03-31 01:16:06,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2023-03-31 01:16:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 465 states have (on average 1.178494623655914) internal successors, (548), 488 states have internal predecessors, (548), 139 states have call successors, (139), 132 states have call predecessors, (139), 128 states have return successors, (192), 127 states have call predecessors, (192), 135 states have call successors, (192) [2023-03-31 01:16:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 879 transitions. [2023-03-31 01:16:06,602 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 879 transitions. Word has length 153 [2023-03-31 01:16:06,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:06,602 INFO L495 AbstractCegarLoop]: Abstraction has 733 states and 879 transitions. [2023-03-31 01:16:06,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 01:16:06,602 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 879 transitions. [2023-03-31 01:16:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-03-31 01:16:06,604 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:06,604 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:06,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-03-31 01:16:06,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:06,810 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:06,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:06,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1868215180, now seen corresponding path program 1 times [2023-03-31 01:16:06,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:06,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807467910] [2023-03-31 01:16:06,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:06,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:16:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:16:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:16:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:16:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,154 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-31 01:16:07,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:07,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807467910] [2023-03-31 01:16:07,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807467910] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:07,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333193173] [2023-03-31 01:16:07,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:07,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:07,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:07,156 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:07,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 01:16:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:07,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:07,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:16:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-31 01:16:07,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333193173] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:16:07,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:16:07,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 20 [2023-03-31 01:16:07,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154239365] [2023-03-31 01:16:07,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:16:07,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 01:16:07,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:07,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 01:16:07,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:16:07,798 INFO L87 Difference]: Start difference. First operand 733 states and 879 transitions. Second operand has 20 states, 20 states have (on average 7.5) internal successors, (150), 12 states have internal predecessors, (150), 5 states have call successors, (59), 11 states have call predecessors, (59), 9 states have return successors, (43), 7 states have call predecessors, (43), 5 states have call successors, (43) [2023-03-31 01:16:09,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:09,467 INFO L93 Difference]: Finished difference Result 1476 states and 1860 transitions. [2023-03-31 01:16:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-31 01:16:09,468 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.5) internal successors, (150), 12 states have internal predecessors, (150), 5 states have call successors, (59), 11 states have call predecessors, (59), 9 states have return successors, (43), 7 states have call predecessors, (43), 5 states have call successors, (43) Word has length 157 [2023-03-31 01:16:09,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:09,472 INFO L225 Difference]: With dead ends: 1476 [2023-03-31 01:16:09,472 INFO L226 Difference]: Without dead ends: 831 [2023-03-31 01:16:09,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 360 SyntacticMatches, 11 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=444, Invalid=1278, Unknown=0, NotChecked=0, Total=1722 [2023-03-31 01:16:09,475 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 760 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:09,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 273 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-31 01:16:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2023-03-31 01:16:09,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 715. [2023-03-31 01:16:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 453 states have (on average 1.17439293598234) internal successors, (532), 476 states have internal predecessors, (532), 136 states have call successors, (136), 129 states have call predecessors, (136), 125 states have return successors, (189), 124 states have call predecessors, (189), 132 states have call successors, (189) [2023-03-31 01:16:09,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 857 transitions. [2023-03-31 01:16:09,570 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 857 transitions. Word has length 157 [2023-03-31 01:16:09,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:09,571 INFO L495 AbstractCegarLoop]: Abstraction has 715 states and 857 transitions. [2023-03-31 01:16:09,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.5) internal successors, (150), 12 states have internal predecessors, (150), 5 states have call successors, (59), 11 states have call predecessors, (59), 9 states have return successors, (43), 7 states have call predecessors, (43), 5 states have call successors, (43) [2023-03-31 01:16:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 857 transitions. [2023-03-31 01:16:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-03-31 01:16:09,574 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:09,574 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:09,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:09,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-03-31 01:16:09,780 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:09,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:09,781 INFO L85 PathProgramCache]: Analyzing trace with hash -84672750, now seen corresponding path program 2 times [2023-03-31 01:16:09,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:09,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854961990] [2023-03-31 01:16:09,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:09,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:16:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-03-31 01:16:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:16:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:16:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-03-31 01:16:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-03-31 01:16:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 52 proven. 33 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-03-31 01:16:10,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:10,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854961990] [2023-03-31 01:16:10,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854961990] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:10,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481247578] [2023-03-31 01:16:10,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-31 01:16:10,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:10,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:10,355 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:10,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 01:16:10,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-31 01:16:10,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-31 01:16:10,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-31 01:16:10,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-31 01:16:10,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:10,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481247578] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:10,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:10,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2023-03-31 01:16:10,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241103727] [2023-03-31 01:16:10,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:10,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:16:10,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:10,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:16:10,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:16:10,736 INFO L87 Difference]: Start difference. First operand 715 states and 857 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-03-31 01:16:11,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:11,955 INFO L93 Difference]: Finished difference Result 1842 states and 2268 transitions. [2023-03-31 01:16:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-31 01:16:11,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 226 [2023-03-31 01:16:11,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:11,962 INFO L225 Difference]: With dead ends: 1842 [2023-03-31 01:16:11,963 INFO L226 Difference]: Without dead ends: 1213 [2023-03-31 01:16:11,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 296 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=1156, Unknown=0, NotChecked=0, Total=1332 [2023-03-31 01:16:11,966 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 281 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:11,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 383 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:16:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2023-03-31 01:16:12,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1105. [2023-03-31 01:16:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 703 states have (on average 1.1578947368421053) internal successors, (814), 734 states have internal predecessors, (814), 199 states have call successors, (199), 193 states have call predecessors, (199), 202 states have return successors, (277), 196 states have call predecessors, (277), 195 states have call successors, (277) [2023-03-31 01:16:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1290 transitions. [2023-03-31 01:16:12,107 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1290 transitions. Word has length 226 [2023-03-31 01:16:12,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:12,107 INFO L495 AbstractCegarLoop]: Abstraction has 1105 states and 1290 transitions. [2023-03-31 01:16:12,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-03-31 01:16:12,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1290 transitions. [2023-03-31 01:16:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-03-31 01:16:12,111 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:12,111 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:12,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-03-31 01:16:12,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:12,317 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:12,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:12,318 INFO L85 PathProgramCache]: Analyzing trace with hash -2118066796, now seen corresponding path program 1 times [2023-03-31 01:16:12,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:12,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580863890] [2023-03-31 01:16:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:12,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:16:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-03-31 01:16:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:16:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:16:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-03-31 01:16:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-03-31 01:16:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-03-31 01:16:12,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580863890] [2023-03-31 01:16:12,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580863890] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975564821] [2023-03-31 01:16:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:12,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:12,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:12,649 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:12,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-31 01:16:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:16:12,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 01:16:12,826 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:12,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975564821] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:12,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:12,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2023-03-31 01:16:12,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118533902] [2023-03-31 01:16:12,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:12,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:12,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:12,829 INFO L87 Difference]: Start difference. First operand 1105 states and 1290 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:16:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:12,896 INFO L93 Difference]: Finished difference Result 1484 states and 1729 transitions. [2023-03-31 01:16:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:16:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 226 [2023-03-31 01:16:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:12,897 INFO L225 Difference]: With dead ends: 1484 [2023-03-31 01:16:12,897 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:16:12,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:16:12,901 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 4 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:12,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 754 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:16:12,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:16:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 01:16:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:16:12,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2023-03-31 01:16:12,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:12,902 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:16:12,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:16:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:16:12,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:16:12,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:16:12,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:13,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:13,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 01:16:18,092 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 01:16:18,092 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 102 157) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-03-31 01:16:18,093 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 746 754) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 746 754) no Hoare annotation was computed. [2023-03-31 01:16:18,094 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 754) the Hoare annotation is: true [2023-03-31 01:16:18,095 INFO L895 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or .cse0 (< ~waterLevel~0 2)))) [2023-03-31 01:16:18,095 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 869 893) no Hoare annotation was computed. [2023-03-31 01:16:18,095 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2023-03-31 01:16:18,095 INFO L895 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or .cse0 (< ~waterLevel~0 2)))) [2023-03-31 01:16:18,095 INFO L899 garLoopResultBuilder]: For program point L879-1(line 879) no Hoare annotation was computed. [2023-03-31 01:16:18,095 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 890) no Hoare annotation was computed. [2023-03-31 01:16:18,095 INFO L899 garLoopResultBuilder]: For program point L877-1(lines 869 893) no Hoare annotation was computed. [2023-03-31 01:16:18,095 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2023-03-31 01:16:18,095 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2023-03-31 01:16:18,095 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 869 893) the Hoare annotation is: true [2023-03-31 01:16:18,096 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2023-03-31 01:16:18,096 INFO L895 garLoopResultBuilder]: At program point L979(line 979) the Hoare annotation is: (or (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,096 INFO L895 garLoopResultBuilder]: At program point L979-1(line 979) the Hoare annotation is: (or (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,096 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2023-03-31 01:16:18,096 INFO L899 garLoopResultBuilder]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2023-03-31 01:16:18,096 INFO L899 garLoopResultBuilder]: For program point L975(line 975) no Hoare annotation was computed. [2023-03-31 01:16:18,096 INFO L895 garLoopResultBuilder]: At program point L974(line 974) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:18,096 INFO L895 garLoopResultBuilder]: At program point L973(line 973) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:18,096 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L895 garLoopResultBuilder]: At program point L973-1(line 973) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:18,097 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 967 989) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 926 949) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 926 949) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point L943(line 943) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point L941(line 941) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-03-31 01:16:18,097 INFO L899 garLoopResultBuilder]: For program point L938(line 938) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 926 949) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L937(line 937) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L936(line 936) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L935(line 935) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L934(line 934) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L933(line 933) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L931(line 931) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L902 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: true [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L707-2(lines 707 711) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point L705-1(line 705) no Hoare annotation was computed. [2023-03-31 01:16:18,098 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 698 716) the Hoare annotation is: true [2023-03-31 01:16:18,098 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 698 716) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 698 716) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 732 738) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 732 738) the Hoare annotation is: true [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 403) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 383 403) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 369 414) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 396) no Hoare annotation was computed. [2023-03-31 01:16:18,099 INFO L899 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2023-03-31 01:16:18,100 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 845 858) the Hoare annotation is: true [2023-03-31 01:16:18,100 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 845 858) no Hoare annotation was computed. [2023-03-31 01:16:18,100 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 845 858) no Hoare annotation was computed. [2023-03-31 01:16:18,100 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-03-31 01:16:18,100 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 582 606) no Hoare annotation was computed. [2023-03-31 01:16:18,100 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 582 606) no Hoare annotation was computed. [2023-03-31 01:16:18,100 INFO L895 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 01:16:18,100 INFO L895 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 01:16:18,100 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 598) no Hoare annotation was computed. [2023-03-31 01:16:18,100 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 01:16:18,101 INFO L899 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2023-03-31 01:16:18,101 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 603) no Hoare annotation was computed. [2023-03-31 01:16:18,101 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 582 606) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,101 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 522 528) no Hoare annotation was computed. [2023-03-31 01:16:18,101 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 522 528) the Hoare annotation is: true [2023-03-31 01:16:18,101 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2023-03-31 01:16:18,101 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:18,101 INFO L895 garLoopResultBuilder]: At program point L473(lines 430 475) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:18,101 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2023-03-31 01:16:18,101 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2023-03-31 01:16:18,101 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 420 483) no Hoare annotation was computed. [2023-03-31 01:16:18,102 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2023-03-31 01:16:18,102 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 483) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:18,102 INFO L895 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,102 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2023-03-31 01:16:18,102 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 460 471) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:18,102 INFO L899 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2023-03-31 01:16:18,102 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2023-03-31 01:16:18,102 INFO L895 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:18,102 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 420 483) no Hoare annotation was computed. [2023-03-31 01:16:18,102 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 859 867) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 859 867) the Hoare annotation is: true [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 859 867) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 813 835) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 813 835) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 813 835) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 607 614) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 607 614) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 607 614) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 679 697) no Hoare annotation was computed. [2023-03-31 01:16:18,103 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2023-03-31 01:16:18,104 INFO L902 garLoopResultBuilder]: At program point L686(line 686) the Hoare annotation is: true [2023-03-31 01:16:18,104 INFO L899 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2023-03-31 01:16:18,104 INFO L899 garLoopResultBuilder]: For program point L686-1(line 686) no Hoare annotation was computed. [2023-03-31 01:16:18,104 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 679 697) the Hoare annotation is: true [2023-03-31 01:16:18,104 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 679 697) no Hoare annotation was computed. [2023-03-31 01:16:18,104 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 836 844) the Hoare annotation is: true [2023-03-31 01:16:18,104 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 836 844) no Hoare annotation was computed. [2023-03-31 01:16:18,104 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 836 844) no Hoare annotation was computed. [2023-03-31 01:16:18,104 INFO L895 garLoopResultBuilder]: At program point L511(line 511) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0))) [2023-03-31 01:16:18,104 INFO L895 garLoopResultBuilder]: At program point L509(lines 509 515) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not .cse4)) (.cse1 (and (<= 2 ~waterLevel~0) .cse4 .cse3))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (< |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and .cse2 .cse3) .cse0 .cse1)))) [2023-03-31 01:16:18,104 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) .cse0))) [2023-03-31 01:16:18,105 INFO L899 garLoopResultBuilder]: For program point L502(lines 501 520) no Hoare annotation was computed. [2023-03-31 01:16:18,105 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 498 521) no Hoare annotation was computed. [2023-03-31 01:16:18,105 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 498 521) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse1) .cse0))) [2023-03-31 01:16:18,105 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 498 521) no Hoare annotation was computed. [2023-03-31 01:16:18,105 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2023-03-31 01:16:18,105 INFO L902 garLoopResultBuilder]: At program point L921(lines 896 925) the Hoare annotation is: true [2023-03-31 01:16:18,105 INFO L899 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2023-03-31 01:16:18,105 INFO L899 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2023-03-31 01:16:18,105 INFO L902 garLoopResultBuilder]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2023-03-31 01:16:18,105 INFO L899 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2023-03-31 01:16:18,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 925) the Hoare annotation is: true [2023-03-31 01:16:18,105 INFO L902 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2023-03-31 01:16:18,106 INFO L902 garLoopResultBuilder]: At program point L902(line 902) the Hoare annotation is: true [2023-03-31 01:16:18,106 INFO L899 garLoopResultBuilder]: For program point L902-1(line 902) no Hoare annotation was computed. [2023-03-31 01:16:18,106 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 804 812) the Hoare annotation is: true [2023-03-31 01:16:18,106 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 804 812) no Hoare annotation was computed. [2023-03-31 01:16:18,106 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 804 812) no Hoare annotation was computed. [2023-03-31 01:16:18,106 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 768 779) no Hoare annotation was computed. [2023-03-31 01:16:18,106 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 768 779) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-03-31 01:16:18,106 INFO L899 garLoopResultBuilder]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2023-03-31 01:16:18,106 INFO L895 garLoopResultBuilder]: At program point L544(line 544) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) [2023-03-31 01:16:18,106 INFO L895 garLoopResultBuilder]: At program point L540(line 540) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (<= 2 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0) .cse1 (< ~waterLevel~0 2)))) [2023-03-31 01:16:18,106 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 530 554) no Hoare annotation was computed. [2023-03-31 01:16:18,106 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 546) no Hoare annotation was computed. [2023-03-31 01:16:18,107 INFO L895 garLoopResultBuilder]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,107 INFO L899 garLoopResultBuilder]: For program point L536-1(line 536) no Hoare annotation was computed. [2023-03-31 01:16:18,107 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 551) no Hoare annotation was computed. [2023-03-31 01:16:18,107 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 554) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,107 INFO L895 garLoopResultBuilder]: At program point L549(line 549) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,107 INFO L899 garLoopResultBuilder]: For program point L549-1(lines 530 554) no Hoare annotation was computed. [2023-03-31 01:16:18,107 INFO L899 garLoopResultBuilder]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2023-03-31 01:16:18,107 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 780 791) no Hoare annotation was computed. [2023-03-31 01:16:18,107 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 780 791) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (< |old(~waterLevel~0)| 1) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2023-03-31 01:16:18,107 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 756 763) no Hoare annotation was computed. [2023-03-31 01:16:18,107 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 756 763) the Hoare annotation is: true [2023-03-31 01:16:18,108 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2023-03-31 01:16:18,108 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 756 763) no Hoare annotation was computed. [2023-03-31 01:16:18,108 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-03-31 01:16:18,108 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 556 580) no Hoare annotation was computed. [2023-03-31 01:16:18,108 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 556 580) no Hoare annotation was computed. [2023-03-31 01:16:18,108 INFO L895 garLoopResultBuilder]: At program point L570(line 570) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,108 INFO L895 garLoopResultBuilder]: At program point L566(line 566) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~5))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 01:16:18,108 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 572) no Hoare annotation was computed. [2023-03-31 01:16:18,108 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 556 580) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:18,109 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 739 745) the Hoare annotation is: true [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 739 745) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 642) the Hoare annotation is: true [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point L673(line 673) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 670) no Hoare annotation was computed. [2023-03-31 01:16:18,109 INFO L899 garLoopResultBuilder]: For program point L662-2(lines 662 670) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 643 678) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point L650(lines 650 658) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 643 678) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 658) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 643 678) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 56 101) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2023-03-31 01:16:18,110 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 966) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:18,110 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 623 633) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 623 633) the Hoare annotation is: true [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 623 633) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L902 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: true [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 615 622) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 615 622) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 350) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 323 368) no Hoare annotation was computed. [2023-03-31 01:16:18,111 INFO L899 garLoopResultBuilder]: For program point L337-1(lines 337 357) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 319) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 316) no Hoare annotation was computed. [2023-03-31 01:16:18,112 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 722 731) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 722 731) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 722 731) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:18,113 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 01:16:18,114 INFO L899 garLoopResultBuilder]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2023-03-31 01:16:18,114 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 792 803) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0 .cse1))) [2023-03-31 01:16:18,114 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 792 803) no Hoare annotation was computed. [2023-03-31 01:16:18,114 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2023-03-31 01:16:18,114 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2023-03-31 01:16:18,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:18,114 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 01:16:18,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:18,114 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 01:16:18,117 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:18,119 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:16:18,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:16:18 BoogieIcfgContainer [2023-03-31 01:16:18,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:16:18,131 INFO L158 Benchmark]: Toolchain (without parser) took 22472.07ms. Allocated memory was 271.6MB in the beginning and 690.0MB in the end (delta: 418.4MB). Free memory was 236.3MB in the beginning and 365.4MB in the end (delta: -129.1MB). Peak memory consumption was 353.2MB. Max. memory is 8.0GB. [2023-03-31 01:16:18,131 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:16:18,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.14ms. Allocated memory is still 271.6MB. Free memory was 236.3MB in the beginning and 217.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 01:16:18,132 INFO L158 Benchmark]: Boogie Preprocessor took 98.66ms. Allocated memory is still 271.6MB. Free memory was 217.4MB in the beginning and 213.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:16:18,132 INFO L158 Benchmark]: RCFGBuilder took 855.48ms. Allocated memory is still 271.6MB. Free memory was 213.7MB in the beginning and 173.3MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-03-31 01:16:18,132 INFO L158 Benchmark]: TraceAbstraction took 21104.35ms. Allocated memory was 271.6MB in the beginning and 690.0MB in the end (delta: 418.4MB). Free memory was 172.8MB in the beginning and 365.4MB in the end (delta: -192.5MB). Peak memory consumption was 290.3MB. Max. memory is 8.0GB. [2023-03-31 01:16:18,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 407.14ms. Allocated memory is still 271.6MB. Free memory was 236.3MB in the beginning and 217.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.66ms. Allocated memory is still 271.6MB. Free memory was 217.4MB in the beginning and 213.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 855.48ms. Allocated memory is still 271.6MB. Free memory was 213.7MB in the beginning and 173.3MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * TraceAbstraction took 21104.35ms. Allocated memory was 271.6MB in the beginning and 690.0MB in the end (delta: 418.4MB). Free memory was 172.8MB in the beginning and 365.4MB in the end (delta: -192.5MB). Peak memory consumption was 290.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 760]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3323 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3175 mSDsluCounter, 3993 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3135 mSDsCounter, 1591 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7815 IncrementalHoareTripleChecker+Invalid, 9406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1591 mSolverCounterUnsat, 858 mSDtfsCounter, 7815 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2043 GetRequests, 1832 SyntacticMatches, 19 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1105occurred in iteration=11, InterpolantAutomatonStates: 132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 491 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2437 PreInvPairs, 2494 NumberOfFragments, 1004 HoareAnnotationTreeSize, 2437 FomulaSimplifications, 76222 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 66 FomulaSimplificationsInter, 8496 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2684 NumberOfCodeBlocks, 2684 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2821 ConstructedInterpolants, 0 QuantifiedInterpolants, 4625 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3787 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 818/916 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2023-03-31 01:16:18,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...