/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:53:52,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:53:52,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:53:52,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:53:52,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:53:52,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:53:52,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:53:52,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:53:52,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:53:52,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:53:52,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:53:52,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:53:52,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:53:52,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:53:52,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:53:52,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:53:52,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:53:52,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:53:52,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:53:52,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:53:52,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:53:52,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:53:52,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:53:52,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:53:52,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:53:52,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:53:52,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:53:52,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:53:52,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:53:52,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:53:52,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:53:52,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:53:52,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:53:52,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:53:52,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:53:52,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:53:52,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:53:52,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:53:52,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:53:52,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:53:52,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:53:52,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 21:53:52,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:53:52,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:53:52,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:53:52,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:53:52,602 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:53:52,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:53:52,603 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:53:52,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:53:52,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:53:52,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:53:52,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:53:52,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:53:52,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:53:52,605 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:53:52,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:53:52,606 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:53:52,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:53:52,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:53:52,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:53:52,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:53:52,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:53:52,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:53:52,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:53:52,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:53:52,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:53:52,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:53:52,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:53:52,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:53:52,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:53:52,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:53:53,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:53:53,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:53:53,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:53:53,072 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:53:53,072 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:53:53,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-11-06 21:53:53,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9f8a3c8/43621da69a8a4151a7429fd41d136916/FLAGc712e2031 [2020-11-06 21:53:53,914 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:53:53,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-11-06 21:53:53,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9f8a3c8/43621da69a8a4151a7429fd41d136916/FLAGc712e2031 [2020-11-06 21:53:54,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9f8a3c8/43621da69a8a4151a7429fd41d136916 [2020-11-06 21:53:54,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:53:54,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:53:54,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:53:54,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:53:54,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:53:54,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bef2d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54, skipping insertion in model container [2020-11-06 21:53:54,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:53:54,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:53:54,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:53:54,659 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:53:54,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:53:54,854 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:53:54,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54 WrapperNode [2020-11-06 21:53:54,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:53:54,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:53:54,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:53:54,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:53:54,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:54,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... [2020-11-06 21:53:55,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:53:55,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:53:55,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:53:55,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:53:55,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:53:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:53:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:53:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:53:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:53:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:53:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:53:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-06 21:53:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-06 21:53:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:53:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:53:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:53:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:53:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:53:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:53:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:53:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 21:53:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-06 21:53:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 21:53:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:53:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:53:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:53:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:53:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:53:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:53:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:53:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:53:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:53:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:53:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:53:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:53:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:53:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:53:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:53:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:53:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:53:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:53:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:53:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:53:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:53:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:53:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:53:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:53:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:53:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:53:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:53:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:53:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:53:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:53:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 21:53:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-06 21:53:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:53:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:53:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:53:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:53:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:53:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 21:53:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:53:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:53:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:53:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:53:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 21:53:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-06 21:53:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-06 21:53:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-06 21:53:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:53:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:53:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:53:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:53:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:53:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:53:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:53:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:53:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:53:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:53:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:53:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:53:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:53:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:53:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:53:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:53:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:53:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:53:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:53:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:53:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:53:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:53:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:53:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:53:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:53:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:53:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:53:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:53:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:53:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:53:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:53:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:53:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:53:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:53:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:53:56,510 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:53:56,510 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:53:56,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:56 BoogieIcfgContainer [2020-11-06 21:53:56,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:53:56,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:53:56,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:53:56,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:53:56,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:54" (1/3) ... [2020-11-06 21:53:56,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b520726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:56, skipping insertion in model container [2020-11-06 21:53:56,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:54" (2/3) ... [2020-11-06 21:53:56,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b520726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:56, skipping insertion in model container [2020-11-06 21:53:56,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:56" (3/3) ... [2020-11-06 21:53:56,521 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-11-06 21:53:56,536 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:53:56,540 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:53:56,551 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:53:56,578 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:53:56,578 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:53:56,578 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:53:56,578 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:53:56,579 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:53:56,579 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:53:56,579 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:53:56,579 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:53:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states. [2020-11-06 21:53:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-06 21:53:56,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:53:56,613 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-06 21:53:56,613 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:53:56,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:53:56,620 INFO L82 PathProgramCache]: Analyzing trace with hash 853038601, now seen corresponding path program 1 times [2020-11-06 21:53:56,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:53:56,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394733745] [2020-11-06 21:53:56,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:53:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,348 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:53:57,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:53:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:53:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:53:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:53:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:53:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:53:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:53:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:53:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 21:53:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:53:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:53:57,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394733745] [2020-11-06 21:53:57,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:53:57,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:53:57,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495214858] [2020-11-06 21:53:57,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:53:57,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:53:57,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:53:57,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:53:57,506 INFO L87 Difference]: Start difference. First operand 214 states. Second operand 4 states. [2020-11-06 21:53:58,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:53:58,961 INFO L93 Difference]: Finished difference Result 372 states and 474 transitions. [2020-11-06 21:53:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 21:53:58,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-11-06 21:53:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:53:58,977 INFO L225 Difference]: With dead ends: 372 [2020-11-06 21:53:58,978 INFO L226 Difference]: Without dead ends: 202 [2020-11-06 21:53:58,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:53:59,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-11-06 21:53:59,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 168. [2020-11-06 21:53:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-11-06 21:53:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 198 transitions. [2020-11-06 21:53:59,094 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 198 transitions. Word has length 60 [2020-11-06 21:53:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:53:59,095 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 198 transitions. [2020-11-06 21:53:59,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:53:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 198 transitions. [2020-11-06 21:53:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-06 21:53:59,099 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:53:59,099 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-06 21:53:59,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:53:59,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:53:59,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:53:59,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1210253139, now seen corresponding path program 1 times [2020-11-06 21:53:59,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:53:59,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693068135] [2020-11-06 21:53:59,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:53:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,653 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:53:59,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:53:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:53:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:53:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:53:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:53:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:53:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:53:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:53:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 21:53:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-06 21:53:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:53:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:53:59,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693068135] [2020-11-06 21:53:59,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:53:59,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 21:53:59,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357612062] [2020-11-06 21:53:59,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:53:59,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:53:59,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:53:59,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:53:59,732 INFO L87 Difference]: Start difference. First operand 168 states and 198 transitions. Second operand 5 states. [2020-11-06 21:54:00,312 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:01,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:01,603 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2020-11-06 21:54:01,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 21:54:01,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-11-06 21:54:01,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:01,608 INFO L225 Difference]: With dead ends: 310 [2020-11-06 21:54:01,608 INFO L226 Difference]: Without dead ends: 192 [2020-11-06 21:54:01,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:54:01,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-06 21:54:01,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2020-11-06 21:54:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-11-06 21:54:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2020-11-06 21:54:01,672 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 61 [2020-11-06 21:54:01,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:01,672 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2020-11-06 21:54:01,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:54:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2020-11-06 21:54:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-06 21:54:01,675 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:01,676 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-06 21:54:01,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:54:01,676 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:01,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:01,677 INFO L82 PathProgramCache]: Analyzing trace with hash -754133560, now seen corresponding path program 1 times [2020-11-06 21:54:01,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:01,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271565664] [2020-11-06 21:54:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,188 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:02,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:54:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:54:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:54:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:54:02,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271565664] [2020-11-06 21:54:02,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:54:02,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:54:02,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418576915] [2020-11-06 21:54:02,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:54:02,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:02,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:54:02,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:54:02,347 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 9 states. [2020-11-06 21:54:02,846 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:03,281 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:03,675 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:04,038 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:05,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:05,910 INFO L93 Difference]: Finished difference Result 323 states and 397 transitions. [2020-11-06 21:54:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 21:54:05,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-11-06 21:54:05,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:05,914 INFO L225 Difference]: With dead ends: 323 [2020-11-06 21:54:05,914 INFO L226 Difference]: Without dead ends: 192 [2020-11-06 21:54:05,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:54:05,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-06 21:54:05,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2020-11-06 21:54:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-11-06 21:54:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 185 transitions. [2020-11-06 21:54:05,972 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 185 transitions. Word has length 66 [2020-11-06 21:54:05,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:05,972 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 185 transitions. [2020-11-06 21:54:05,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:54:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 185 transitions. [2020-11-06 21:54:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-06 21:54:05,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:05,975 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-06 21:54:05,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:54:05,976 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:05,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:05,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1639734953, now seen corresponding path program 1 times [2020-11-06 21:54:05,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:05,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113910718] [2020-11-06 21:54:05,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,410 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:06,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:54:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:54:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-11-06 21:54:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-06 21:54:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:54:06,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113910718] [2020-11-06 21:54:06,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:54:06,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:54:06,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575588941] [2020-11-06 21:54:06,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:54:06,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:06,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:54:06,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:54:06,561 INFO L87 Difference]: Start difference. First operand 159 states and 185 transitions. Second operand 7 states. [2020-11-06 21:54:07,003 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:09,025 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:09,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:09,783 INFO L93 Difference]: Finished difference Result 443 states and 547 transitions. [2020-11-06 21:54:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 21:54:09,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-11-06 21:54:09,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:09,787 INFO L225 Difference]: With dead ends: 443 [2020-11-06 21:54:09,788 INFO L226 Difference]: Without dead ends: 312 [2020-11-06 21:54:09,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-11-06 21:54:09,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-11-06 21:54:09,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 264. [2020-11-06 21:54:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-11-06 21:54:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 299 transitions. [2020-11-06 21:54:09,874 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 299 transitions. Word has length 84 [2020-11-06 21:54:09,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:09,875 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 299 transitions. [2020-11-06 21:54:09,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:54:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 299 transitions. [2020-11-06 21:54:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-06 21:54:09,877 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:09,878 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-06 21:54:09,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:54:09,878 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:09,879 INFO L82 PathProgramCache]: Analyzing trace with hash 896555345, now seen corresponding path program 1 times [2020-11-06 21:54:09,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:09,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233622767] [2020-11-06 21:54:09,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,313 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:54:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:54:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-11-06 21:54:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-06 21:54:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 21:54:10,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233622767] [2020-11-06 21:54:10,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:54:10,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:54:10,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559347394] [2020-11-06 21:54:10,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:54:10,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:10,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:54:10,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:54:10,500 INFO L87 Difference]: Start difference. First operand 264 states and 299 transitions. Second operand 9 states. [2020-11-06 21:54:10,972 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:11,866 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:13,070 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:13,467 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:14,062 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:14,427 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:15,201 INFO L93 Difference]: Finished difference Result 545 states and 650 transitions. [2020-11-06 21:54:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 21:54:15,206 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-11-06 21:54:15,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:15,209 INFO L225 Difference]: With dead ends: 545 [2020-11-06 21:54:15,209 INFO L226 Difference]: Without dead ends: 309 [2020-11-06 21:54:15,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-11-06 21:54:15,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-11-06 21:54:15,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 263. [2020-11-06 21:54:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-11-06 21:54:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 296 transitions. [2020-11-06 21:54:15,278 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 296 transitions. Word has length 98 [2020-11-06 21:54:15,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:15,278 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 296 transitions. [2020-11-06 21:54:15,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:54:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 296 transitions. [2020-11-06 21:54:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 21:54:15,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:15,281 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-11-06 21:54:15,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:54:15,281 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:15,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:15,282 INFO L82 PathProgramCache]: Analyzing trace with hash -137556399, now seen corresponding path program 1 times [2020-11-06 21:54:15,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:15,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411759822] [2020-11-06 21:54:15,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,662 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:15,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:54:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:54:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-06 21:54:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 21:54:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:54:15,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411759822] [2020-11-06 21:54:15,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:54:15,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:54:15,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726392236] [2020-11-06 21:54:15,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:54:15,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:15,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:54:15,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:54:15,908 INFO L87 Difference]: Start difference. First operand 263 states and 296 transitions. Second operand 9 states. [2020-11-06 21:54:17,157 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:17,519 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:54:17,898 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:18,263 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:19,593 INFO L93 Difference]: Finished difference Result 545 states and 655 transitions. [2020-11-06 21:54:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 21:54:19,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-11-06 21:54:19,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:19,598 INFO L225 Difference]: With dead ends: 545 [2020-11-06 21:54:19,598 INFO L226 Difference]: Without dead ends: 310 [2020-11-06 21:54:19,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:54:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-06 21:54:19,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 268. [2020-11-06 21:54:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-11-06 21:54:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 301 transitions. [2020-11-06 21:54:19,679 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 301 transitions. Word has length 114 [2020-11-06 21:54:19,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:19,680 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 301 transitions. [2020-11-06 21:54:19,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:54:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 301 transitions. [2020-11-06 21:54:19,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 21:54:19,683 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:19,683 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-11-06 21:54:19,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 21:54:19,684 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:19,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:19,684 INFO L82 PathProgramCache]: Analyzing trace with hash -153075117, now seen corresponding path program 1 times [2020-11-06 21:54:19,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:19,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645905081] [2020-11-06 21:54:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,077 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:54:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:54:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-06 21:54:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 21:54:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:54:20,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645905081] [2020-11-06 21:54:20,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:54:20,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 21:54:20,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191895130] [2020-11-06 21:54:20,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 21:54:20,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:20,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 21:54:20,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:54:20,282 INFO L87 Difference]: Start difference. First operand 268 states and 301 transitions. Second operand 11 states. [2020-11-06 21:54:20,894 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:21,275 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:21,631 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:22,608 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:22,994 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:23,376 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:24,690 INFO L93 Difference]: Finished difference Result 555 states and 666 transitions. [2020-11-06 21:54:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 21:54:24,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2020-11-06 21:54:24,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:24,699 INFO L225 Difference]: With dead ends: 555 [2020-11-06 21:54:24,699 INFO L226 Difference]: Without dead ends: 315 [2020-11-06 21:54:24,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-11-06 21:54:24,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-11-06 21:54:24,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 272. [2020-11-06 21:54:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-11-06 21:54:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 305 transitions. [2020-11-06 21:54:24,763 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 305 transitions. Word has length 114 [2020-11-06 21:54:24,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:24,764 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 305 transitions. [2020-11-06 21:54:24,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 21:54:24,764 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 305 transitions. [2020-11-06 21:54:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 21:54:24,766 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:24,766 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-11-06 21:54:24,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 21:54:24,767 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:24,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:24,767 INFO L82 PathProgramCache]: Analyzing trace with hash -2078608428, now seen corresponding path program 1 times [2020-11-06 21:54:24,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:24,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490005110] [2020-11-06 21:54:24,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,210 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:25,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:54:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:54:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-06 21:54:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 21:54:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:54:25,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490005110] [2020-11-06 21:54:25,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:54:25,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:54:25,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628670156] [2020-11-06 21:54:25,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:54:25,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:25,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:54:25,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:54:25,442 INFO L87 Difference]: Start difference. First operand 272 states and 305 transitions. Second operand 7 states. [2020-11-06 21:54:25,870 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:26,603 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:29,329 INFO L93 Difference]: Finished difference Result 748 states and 918 transitions. [2020-11-06 21:54:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 21:54:29,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-11-06 21:54:29,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:29,335 INFO L225 Difference]: With dead ends: 748 [2020-11-06 21:54:29,335 INFO L226 Difference]: Without dead ends: 504 [2020-11-06 21:54:29,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-06 21:54:29,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-11-06 21:54:29,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 461. [2020-11-06 21:54:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-11-06 21:54:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 533 transitions. [2020-11-06 21:54:29,446 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 533 transitions. Word has length 114 [2020-11-06 21:54:29,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:29,447 INFO L481 AbstractCegarLoop]: Abstraction has 461 states and 533 transitions. [2020-11-06 21:54:29,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:54:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 533 transitions. [2020-11-06 21:54:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-06 21:54:29,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:29,449 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-11-06 21:54:29,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 21:54:29,450 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:29,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:29,450 INFO L82 PathProgramCache]: Analyzing trace with hash 616533582, now seen corresponding path program 1 times [2020-11-06 21:54:29,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:29,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636185824] [2020-11-06 21:54:29,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:29,890 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:29,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:29,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:29,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:29,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:29,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:29,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:54:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:54:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-06 21:54:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-11-06 21:54:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-11-06 21:54:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:54:30,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636185824] [2020-11-06 21:54:30,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:54:30,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 21:54:30,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077878174] [2020-11-06 21:54:30,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 21:54:30,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:30,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 21:54:30,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:54:30,102 INFO L87 Difference]: Start difference. First operand 461 states and 533 transitions. Second operand 12 states. [2020-11-06 21:54:30,681 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:31,558 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:33,039 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:33,492 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:33,876 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:54:34,307 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:34,740 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:36,653 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:37,035 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:38,352 INFO L93 Difference]: Finished difference Result 1284 states and 1572 transitions. [2020-11-06 21:54:38,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-06 21:54:38,353 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-11-06 21:54:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:38,359 INFO L225 Difference]: With dead ends: 1284 [2020-11-06 21:54:38,360 INFO L226 Difference]: Without dead ends: 930 [2020-11-06 21:54:38,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-11-06 21:54:38,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2020-11-06 21:54:38,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 804. [2020-11-06 21:54:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-11-06 21:54:38,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 920 transitions. [2020-11-06 21:54:38,572 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 920 transitions. Word has length 118 [2020-11-06 21:54:38,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:38,573 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 920 transitions. [2020-11-06 21:54:38,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 21:54:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 920 transitions. [2020-11-06 21:54:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-06 21:54:38,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:38,578 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:54:38,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-06 21:54:38,579 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:38,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:38,579 INFO L82 PathProgramCache]: Analyzing trace with hash 38973730, now seen corresponding path program 1 times [2020-11-06 21:54:38,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:38,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66382589] [2020-11-06 21:54:38,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,018 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:39,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:54:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:54:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:54:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:54:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-11-06 21:54:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-06 21:54:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-06 21:54:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:54:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:54:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-11-06 21:54:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-11-06 21:54:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-06 21:54:39,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66382589] [2020-11-06 21:54:39,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835245616] [2020-11-06 21:54:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:54:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:39,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 21:54:39,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:54:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:54:39,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:54:39,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-11-06 21:54:39,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805690803] [2020-11-06 21:54:39,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-06 21:54:39,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:39,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-06 21:54:39,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-11-06 21:54:39,962 INFO L87 Difference]: Start difference. First operand 804 states and 920 transitions. Second operand 20 states. [2020-11-06 21:54:40,658 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:54:41,141 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:54:41,537 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:54:41,973 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:54:42,876 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:43,301 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:44,551 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:54:45,450 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:46,205 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:54:47,272 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-06 21:54:48,084 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-06 21:54:48,541 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:54:49,329 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:54:49,915 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:50,909 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:54:51,700 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-06 21:54:52,824 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-06 21:54:53,683 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:54:54,760 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:54:55,529 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:54:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:54:56,075 INFO L93 Difference]: Finished difference Result 1768 states and 2084 transitions. [2020-11-06 21:54:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-11-06 21:54:56,081 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 196 [2020-11-06 21:54:56,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:54:56,087 INFO L225 Difference]: With dead ends: 1768 [2020-11-06 21:54:56,088 INFO L226 Difference]: Without dead ends: 1067 [2020-11-06 21:54:56,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=729, Invalid=2811, Unknown=0, NotChecked=0, Total=3540 [2020-11-06 21:54:56,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2020-11-06 21:54:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 954. [2020-11-06 21:54:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2020-11-06 21:54:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1099 transitions. [2020-11-06 21:54:56,308 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1099 transitions. Word has length 196 [2020-11-06 21:54:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:54:56,309 INFO L481 AbstractCegarLoop]: Abstraction has 954 states and 1099 transitions. [2020-11-06 21:54:56,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-06 21:54:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1099 transitions. [2020-11-06 21:54:56,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-11-06 21:54:56,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:54:56,317 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:54:56,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-06 21:54:56,532 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:54:56,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:54:56,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1713942485, now seen corresponding path program 1 times [2020-11-06 21:54:56,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:54:56,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347046292] [2020-11-06 21:54:56,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:54:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:56,940 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:54:56,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:54:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:56,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:56,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:56,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:54:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:54:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:56,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:54:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:54:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:54:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:54:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:54:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:54:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:54:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:54:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:54:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-06 21:54:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:54:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:54:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:54:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:54:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-11-06 21:54:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:54:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-11-06 21:54:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:54:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:54:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:54:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:54:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-11-06 21:54:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-06 21:54:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 77 proven. 21 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2020-11-06 21:54:57,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347046292] [2020-11-06 21:54:57,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409893667] [2020-11-06 21:54:57,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:54:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:54:57,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-06 21:54:57,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:54:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-11-06 21:54:58,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:54:58,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2020-11-06 21:54:58,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672334146] [2020-11-06 21:54:58,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-06 21:54:58,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:54:58,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-06 21:54:58,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2020-11-06 21:54:58,212 INFO L87 Difference]: Start difference. First operand 954 states and 1099 transitions. Second operand 26 states. [2020-11-06 21:54:58,872 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:00,030 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:00,562 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:55:01,233 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:55:02,567 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:55:03,138 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:04,366 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:04,974 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:05,507 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:05,932 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:06,342 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:55:06,908 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:07,336 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:55:07,781 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:08,247 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:55:08,656 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:09,092 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:09,649 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:10,131 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:10,574 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:11,000 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:11,409 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:55:12,007 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:55:12,550 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:55:15,886 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:16,334 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:16,750 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:17,142 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:17,950 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-06 21:55:18,363 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:19,137 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-06 21:55:19,536 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:20,326 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:55:21,098 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:55:28,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:28,274 INFO L93 Difference]: Finished difference Result 3408 states and 4601 transitions. [2020-11-06 21:55:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-11-06 21:55:28,275 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 332 [2020-11-06 21:55:28,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:28,294 INFO L225 Difference]: With dead ends: 3408 [2020-11-06 21:55:28,294 INFO L226 Difference]: Without dead ends: 2490 [2020-11-06 21:55:28,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4205 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=1908, Invalid=10524, Unknown=0, NotChecked=0, Total=12432 [2020-11-06 21:55:28,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2020-11-06 21:55:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 1755. [2020-11-06 21:55:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2020-11-06 21:55:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 1969 transitions. [2020-11-06 21:55:28,753 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 1969 transitions. Word has length 332 [2020-11-06 21:55:28,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:28,753 INFO L481 AbstractCegarLoop]: Abstraction has 1755 states and 1969 transitions. [2020-11-06 21:55:28,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-11-06 21:55:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 1969 transitions. [2020-11-06 21:55:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-11-06 21:55:28,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:28,765 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-11-06 21:55:28,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:55:28,980 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:55:28,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:28,981 INFO L82 PathProgramCache]: Analyzing trace with hash -449925215, now seen corresponding path program 1 times [2020-11-06 21:55:28,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:28,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639686357] [2020-11-06 21:55:28,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,393 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:29,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:55:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:55:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:55:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:55:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:55:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:55:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:55:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:55:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:55:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:55:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-11-06 21:55:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-06 21:55:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:55:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:55:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:55:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:55:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-11-06 21:55:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-11-06 21:55:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-11-06 21:55:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-11-06 21:55:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-06 21:55:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 94 proven. 48 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-11-06 21:55:29,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639686357] [2020-11-06 21:55:29,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804484534] [2020-11-06 21:55:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:55:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:30,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-06 21:55:30,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:55:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-06 21:55:30,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:55:30,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-11-06 21:55:30,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164084381] [2020-11-06 21:55:30,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-06 21:55:30,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:30,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-06 21:55:30,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-11-06 21:55:30,540 INFO L87 Difference]: Start difference. First operand 1755 states and 1969 transitions. Second operand 23 states. [2020-11-06 21:55:31,558 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-06 21:55:32,437 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-06 21:55:33,213 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-06 21:55:33,946 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-06 21:55:35,413 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-06 21:55:37,321 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-06 21:55:38,116 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-06 21:55:38,936 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:40,369 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:42,035 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:42,423 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:44,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:44,134 INFO L93 Difference]: Finished difference Result 3619 states and 4289 transitions. [2020-11-06 21:55:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-06 21:55:44,134 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 352 [2020-11-06 21:55:44,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:44,150 INFO L225 Difference]: With dead ends: 3619 [2020-11-06 21:55:44,150 INFO L226 Difference]: Without dead ends: 2078 [2020-11-06 21:55:44,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=551, Invalid=2419, Unknown=0, NotChecked=0, Total=2970 [2020-11-06 21:55:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-11-06 21:55:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1755. [2020-11-06 21:55:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2020-11-06 21:55:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 1965 transitions. [2020-11-06 21:55:44,657 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 1965 transitions. Word has length 352 [2020-11-06 21:55:44,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:44,659 INFO L481 AbstractCegarLoop]: Abstraction has 1755 states and 1965 transitions. [2020-11-06 21:55:44,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-06 21:55:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 1965 transitions. [2020-11-06 21:55:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-11-06 21:55:44,666 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:44,667 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-11-06 21:55:44,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-06 21:55:44,882 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:55:44,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:44,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1030360409, now seen corresponding path program 1 times [2020-11-06 21:55:44,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:44,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803165732] [2020-11-06 21:55:44,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,377 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:55:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:55:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:55:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:55:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:55:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:55:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:55:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:55:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:55:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:55:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-06 21:55:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-11-06 21:55:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:55:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:55:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:55:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:55:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-06 21:55:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-11-06 21:55:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-11-06 21:55:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-11-06 21:55:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-06 21:55:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-11-06 21:55:45,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803165732] [2020-11-06 21:55:45,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335790437] [2020-11-06 21:55:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:55:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:46,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 28 conjunts are in the unsatisfiable core [2020-11-06 21:55:46,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:55:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 206 proven. 16 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-11-06 21:55:46,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:55:46,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8] total 25 [2020-11-06 21:55:46,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348420149] [2020-11-06 21:55:46,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-06 21:55:46,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:46,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-06 21:55:46,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2020-11-06 21:55:46,610 INFO L87 Difference]: Start difference. First operand 1755 states and 1965 transitions. Second operand 25 states. [2020-11-06 21:55:47,269 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:47,783 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:48,199 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:48,613 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:49,537 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:50,020 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:50,700 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:52,928 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:53,495 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:53,996 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:54,422 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:54,988 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:55,447 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:56,349 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-06 21:55:57,239 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-06 21:55:59,358 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:59,811 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:00,215 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:00,612 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:01,089 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:01,494 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:03,159 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:56:03,649 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:56:04,082 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:04,523 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:04,933 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:05,331 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:05,800 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:06,229 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:56:13,408 INFO L93 Difference]: Finished difference Result 4655 states and 5872 transitions. [2020-11-06 21:56:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2020-11-06 21:56:13,409 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 353 [2020-11-06 21:56:13,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:56:13,428 INFO L225 Difference]: With dead ends: 4655 [2020-11-06 21:56:13,429 INFO L226 Difference]: Without dead ends: 3114 [2020-11-06 21:56:13,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5804 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=2570, Invalid=13686, Unknown=0, NotChecked=0, Total=16256 [2020-11-06 21:56:13,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2020-11-06 21:56:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 2115. [2020-11-06 21:56:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2115 states. [2020-11-06 21:56:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2364 transitions. [2020-11-06 21:56:14,103 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2364 transitions. Word has length 353 [2020-11-06 21:56:14,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:56:14,104 INFO L481 AbstractCegarLoop]: Abstraction has 2115 states and 2364 transitions. [2020-11-06 21:56:14,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-06 21:56:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2364 transitions. [2020-11-06 21:56:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-11-06 21:56:14,111 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:56:14,112 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:56:14,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:56:14,326 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:56:14,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:56:14,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1432383505, now seen corresponding path program 1 times [2020-11-06 21:56:14,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:56:14,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830143568] [2020-11-06 21:56:14,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:56:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,765 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:56:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:56:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:56:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:56:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:56:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:56:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:56:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:56:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:14,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:56:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:56:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:56:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:56:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-06 21:56:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-11-06 21:56:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:56:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:56:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-06 21:56:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-06 21:56:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-11-06 21:56:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:56:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:56:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:56:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-11-06 21:56:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-06 21:56:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-06 21:56:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-11-06 21:56:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-11-06 21:56:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 121 proven. 73 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2020-11-06 21:56:15,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830143568] [2020-11-06 21:56:15,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180315523] [2020-11-06 21:56:15,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:56:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:15,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 1653 conjuncts, 42 conjunts are in the unsatisfiable core [2020-11-06 21:56:15,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:56:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 261 proven. 51 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2020-11-06 21:56:16,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:56:16,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 25 [2020-11-06 21:56:16,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26795452] [2020-11-06 21:56:16,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-06 21:56:16,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:56:16,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-06 21:56:16,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-11-06 21:56:16,384 INFO L87 Difference]: Start difference. First operand 2115 states and 2364 transitions. Second operand 25 states. [2020-11-06 21:56:17,345 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-06 21:56:18,508 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:56:19,722 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:56:21,043 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:21,543 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:22,021 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:24,901 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 216 [2020-11-06 21:56:25,737 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:56:26,545 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:56:27,266 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-06 21:56:29,816 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-06 21:56:31,629 WARN L194 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-06 21:56:32,725 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 216 [2020-11-06 21:56:33,534 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-06 21:56:34,345 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-06 21:56:43,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:56:43,157 INFO L93 Difference]: Finished difference Result 7843 states and 10337 transitions. [2020-11-06 21:56:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-11-06 21:56:43,158 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 431 [2020-11-06 21:56:43,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:56:43,160 INFO L225 Difference]: With dead ends: 7843 [2020-11-06 21:56:43,160 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 21:56:43,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 632 SyntacticMatches, 9 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5053 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=2564, Invalid=11008, Unknown=0, NotChecked=0, Total=13572 [2020-11-06 21:56:43,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 21:56:43,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 21:56:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 21:56:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 21:56:43,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 431 [2020-11-06 21:56:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:56:43,188 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 21:56:43,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-06 21:56:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 21:56:43,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 21:56:43,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-06 21:56:43,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 21:56:43,524 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-11-06 21:56:44,722 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-11-06 21:56:55,074 WARN L194 SmtUtils]: Spent 8.60 s on a formula simplification. DAG size of input: 816 DAG size of output: 665 [2020-11-06 21:57:18,149 WARN L194 SmtUtils]: Spent 9.43 s on a formula simplification. DAG size of input: 893 DAG size of output: 697 [2020-11-06 21:57:18,722 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 244 [2020-11-06 21:57:58,503 WARN L194 SmtUtils]: Spent 9.65 s on a formula simplification. DAG size of input: 903 DAG size of output: 718 [2020-11-06 21:58:02,594 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 595 DAG size of output: 480 [2020-11-06 21:58:06,899 WARN L194 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 669 DAG size of output: 486 [2020-11-06 21:58:10,330 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2020-11-06 21:58:13,345 WARN L194 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 261 DAG size of output: 41 [2020-11-06 21:58:13,755 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 1 [2020-11-06 21:58:14,356 WARN L194 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-06 21:58:14,675 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-11-06 21:58:23,051 WARN L194 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 573 DAG size of output: 42 [2020-11-06 21:58:23,421 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 1 [2020-11-06 21:58:23,768 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-11-06 21:58:25,378 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 247 DAG size of output: 36 [2020-11-06 21:58:27,270 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2020-11-06 21:58:29,629 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 239 DAG size of output: 43 [2020-11-06 21:58:29,932 WARN L194 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 1 [2020-11-06 21:58:31,061 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2020-11-06 21:58:34,456 WARN L194 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 365 DAG size of output: 41 [2020-11-06 21:58:34,787 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:58:36,138 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 229 DAG size of output: 34 [2020-11-06 21:58:37,346 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 54 [2020-11-06 21:58:38,486 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2020-11-06 21:58:38,780 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 1 [2020-11-06 21:58:47,574 WARN L194 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 609 DAG size of output: 48 [2020-11-06 21:58:49,659 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 204 DAG size of output: 70 [2020-11-06 21:58:53,185 WARN L194 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 377 DAG size of output: 49 [2020-11-06 21:58:53,504 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-11-06 21:58:53,801 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 1 [2020-11-06 21:58:54,162 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-11-06 21:58:55,140 WARN L194 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 1 [2020-11-06 21:58:57,727 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 327 DAG size of output: 40 [2020-11-06 21:58:58,044 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-11-06 21:58:58,990 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-11-06 21:59:01,129 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 238 DAG size of output: 37 [2020-11-06 21:59:01,832 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-11-06 21:59:05,169 WARN L194 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 366 DAG size of output: 41 [2020-11-06 21:59:05,531 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-11-06 21:59:07,425 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 249 DAG size of output: 35 [2020-11-06 21:59:09,382 WARN L194 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 249 DAG size of output: 35 [2020-11-06 21:59:09,796 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 1 [2020-11-06 21:59:11,821 WARN L194 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 265 DAG size of output: 34 [2020-11-06 21:59:12,733 WARN L194 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-11-06 21:59:14,972 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 233 DAG size of output: 36 [2020-11-06 21:59:15,317 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-11-06 21:59:15,634 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-11-06 21:59:17,071 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 35 [2020-11-06 21:59:26,270 WARN L194 SmtUtils]: Spent 9.19 s on a formula simplification. DAG size of input: 619 DAG size of output: 48 [2020-11-06 21:59:26,610 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-06 21:59:26,942 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-11-06 21:59:28,254 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 229 DAG size of output: 34 [2020-11-06 21:59:28,590 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-06 21:59:29,192 WARN L194 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-11-06 21:59:29,607 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 1 [2020-11-06 21:59:29,927 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-11-06 21:59:30,279 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-11-06 21:59:33,652 WARN L194 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 381 DAG size of output: 38 [2020-11-06 21:59:33,992 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2020-11-06 21:59:35,428 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 35 [2020-11-06 21:59:39,328 WARN L194 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 409 DAG size of output: 38 [2020-11-06 21:59:41,682 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 73 [2020-11-06 21:59:43,681 WARN L194 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 187 DAG size of output: 29 [2020-11-06 21:59:45,889 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 235 DAG size of output: 33 [2020-11-06 21:59:46,253 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-11-06 21:59:47,830 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 219 DAG size of output: 32 [2020-11-06 21:59:47,836 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 21:59:47,836 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 21:59:47,836 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 21:59:47,836 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 21:59:47,836 INFO L266 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point L510-1(lines 510 514) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point L504-2(lines 504 525) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 479 534) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point L526(lines 503 527) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 479 534) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 479 534) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point L567-1(lines 567 571) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 535 594) no Hoare annotation was computed. [2020-11-06 21:59:47,837 INFO L266 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point L561-2(lines 561 586) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 535 594) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point L587(lines 560 588) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 535 594) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L269 CegarLoopResult]: At program point select_helpersFINAL(lines 1023 1029) the Hoare annotation is: true [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point select_helpersEXIT(lines 1023 1029) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L266 CegarLoopResult]: For program point valid_productEXIT(lines 1030 1038) no Hoare annotation was computed. [2020-11-06 21:59:47,838 INFO L269 CegarLoopResult]: At program point valid_productENTRY(lines 1030 1038) the Hoare annotation is: true [2020-11-06 21:59:47,839 INFO L266 CegarLoopResult]: For program point valid_productFINAL(lines 1030 1038) no Hoare annotation was computed. [2020-11-06 21:59:47,839 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 309 316) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-11-06 21:59:47,839 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 309 316) no Hoare annotation was computed. [2020-11-06 21:59:47,839 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 309 316) no Hoare annotation was computed. [2020-11-06 21:59:47,839 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 317 326) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse8 (not (= ~pumpRunning~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse1 .cse7 .cse3 .cse4 .cse6) (or .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (or .cse2 .cse8 .cse3 .cse4 .cse5) (or .cse2 .cse8 .cse3 .cse4 .cse6) (or .cse8 (not (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4))) [2020-11-06 21:59:47,839 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 317 326) no Hoare annotation was computed. [2020-11-06 21:59:47,840 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 317 326) no Hoare annotation was computed. [2020-11-06 21:59:47,840 INFO L266 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-11-06 21:59:47,840 INFO L262 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse3 .cse4 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-11-06 21:59:47,840 INFO L266 CegarLoopResult]: For program point L340(lines 340 346) no Hoare annotation was computed. [2020-11-06 21:59:47,840 INFO L266 CegarLoopResult]: For program point L339(lines 339 349) no Hoare annotation was computed. [2020-11-06 21:59:47,840 INFO L262 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (let ((.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or .cse6 .cse1 .cse7 .cse4 .cse8) (or .cse1 .cse7 .cse3 .cse4 .cse8) (or .cse6 .cse1 .cse2 .cse9 .cse4) (or .cse5 .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 1)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse1 .cse3 .cse2 .cse9 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse4))) [2020-11-06 21:59:47,841 INFO L269 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 327 355) the Hoare annotation is: true [2020-11-06 21:59:47,841 INFO L266 CegarLoopResult]: For program point L337-1(line 337) no Hoare annotation was computed. [2020-11-06 21:59:47,841 INFO L266 CegarLoopResult]: For program point L335(lines 335 352) no Hoare annotation was computed. [2020-11-06 21:59:47,841 INFO L266 CegarLoopResult]: For program point L335-1(lines 327 355) no Hoare annotation was computed. [2020-11-06 21:59:47,841 INFO L269 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: true [2020-11-06 21:59:47,841 INFO L266 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-11-06 21:59:47,841 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 327 355) no Hoare annotation was computed. [2020-11-06 21:59:47,841 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 972 994) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:59:47,841 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 972 994) no Hoare annotation was computed. [2020-11-06 21:59:47,842 INFO L262 CegarLoopResult]: At program point L984(line 984) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0))) [2020-11-06 21:59:47,842 INFO L262 CegarLoopResult]: At program point L984-1(line 984) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0))) [2020-11-06 21:59:47,842 INFO L266 CegarLoopResult]: For program point L982(lines 982 989) no Hoare annotation was computed. [2020-11-06 21:59:47,842 INFO L266 CegarLoopResult]: For program point L982-1(lines 982 989) no Hoare annotation was computed. [2020-11-06 21:59:47,842 INFO L266 CegarLoopResult]: For program point L980(line 980) no Hoare annotation was computed. [2020-11-06 21:59:47,842 INFO L262 CegarLoopResult]: At program point L979(line 979) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:59:47,842 INFO L262 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:59:47,843 INFO L262 CegarLoopResult]: At program point L978-1(line 978) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 972 994) no Hoare annotation was computed. [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point Specification2EXIT(lines 927 950) no Hoare annotation was computed. [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point Specification2ENTRY(lines 927 950) no Hoare annotation was computed. [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point Specification2FINAL(lines 927 950) no Hoare annotation was computed. [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-11-06 21:59:47,843 INFO L266 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-11-06 21:59:47,844 INFO L266 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-11-06 21:59:47,845 INFO L262 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse3 .cse1 .cse2))) [2020-11-06 21:59:47,845 INFO L266 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-11-06 21:59:47,845 INFO L262 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse3 .cse1 .cse2))) [2020-11-06 21:59:47,845 INFO L266 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-11-06 21:59:47,845 INFO L266 CegarLoopResult]: For program point L123(lines 123 140) no Hoare annotation was computed. [2020-11-06 21:59:47,845 INFO L262 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 119 143) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse4 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,845 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 119 143) no Hoare annotation was computed. [2020-11-06 21:59:47,846 INFO L262 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1 .cse4 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,846 INFO L266 CegarLoopResult]: For program point L138-1(lines 119 143) no Hoare annotation was computed. [2020-11-06 21:59:47,846 INFO L262 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse3 .cse1 .cse2))) [2020-11-06 21:59:47,846 INFO L266 CegarLoopResult]: For program point isPumpRunningEXIT(lines 214 222) no Hoare annotation was computed. [2020-11-06 21:59:47,846 INFO L269 CegarLoopResult]: At program point isPumpRunningENTRY(lines 214 222) the Hoare annotation is: true [2020-11-06 21:59:47,846 INFO L266 CegarLoopResult]: For program point isPumpRunningFINAL(lines 214 222) no Hoare annotation was computed. [2020-11-06 21:59:47,846 INFO L266 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-11-06 21:59:47,846 INFO L269 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: true [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point L287-2(lines 287 291) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point L285-1(line 285) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L269 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 278 296) the Hoare annotation is: true [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 278 296) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 278 296) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point L253-1(line 253) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point L242(lines 242 250) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point L242-2(lines 242 250) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point printPumpFINAL(lines 223 258) no Hoare annotation was computed. [2020-11-06 21:59:47,847 INFO L266 CegarLoopResult]: For program point printPumpENTRY(lines 223 258) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point printPumpEXIT(lines 223 258) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point select_featuresEXIT(lines 1016 1022) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L269 CegarLoopResult]: At program point select_featuresFINAL(lines 1016 1022) the Hoare annotation is: true [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 433 478) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 433 478) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 433 478) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point L766(lines 766 773) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 746 791) no Hoare annotation was computed. [2020-11-06 21:59:47,848 INFO L266 CegarLoopResult]: For program point L760(lines 760 780) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point L760-1(lines 760 780) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 770 771) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 777 778) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 746 791) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point L777(lines 777 778) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 746 791) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point L770(lines 770 771) no Hoare annotation was computed. [2020-11-06 21:59:47,849 INFO L262 CegarLoopResult]: At program point runTestENTRY(lines 958 968) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:59:47,849 INFO L266 CegarLoopResult]: For program point runTestEXIT(lines 958 968) no Hoare annotation was computed. [2020-11-06 21:59:47,850 INFO L266 CegarLoopResult]: For program point runTestFINAL(lines 958 968) no Hoare annotation was computed. [2020-11-06 21:59:47,850 INFO L262 CegarLoopResult]: At program point L963(line 963) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:59:47,850 INFO L269 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: true [2020-11-06 21:59:47,850 INFO L269 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 203 213) the Hoare annotation is: true [2020-11-06 21:59:47,850 INFO L266 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-11-06 21:59:47,850 INFO L266 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 203 213) no Hoare annotation was computed. [2020-11-06 21:59:47,850 INFO L266 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 203 213) no Hoare annotation was computed. [2020-11-06 21:59:47,850 INFO L262 CegarLoopResult]: At program point deactivatePumpENTRY(lines 195 202) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4 (not (<= ~waterLevel~0 1))))) [2020-11-06 21:59:47,850 INFO L266 CegarLoopResult]: For program point deactivatePumpEXIT(lines 195 202) no Hoare annotation was computed. [2020-11-06 21:59:47,851 INFO L266 CegarLoopResult]: For program point deactivatePumpFINAL(lines 195 202) no Hoare annotation was computed. [2020-11-06 21:59:47,851 INFO L266 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-11-06 21:59:47,851 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 872 885) no Hoare annotation was computed. [2020-11-06 21:59:47,851 INFO L269 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 872 885) the Hoare annotation is: true [2020-11-06 21:59:47,851 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 872 885) no Hoare annotation was computed. [2020-11-06 21:59:47,851 INFO L262 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse3 .cse7) (or .cse6 .cse5 .cse3 .cse7))) [2020-11-06 21:59:47,851 INFO L262 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse6 .cse2 .cse3 .cse7) (or .cse5 .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 .cse3 .cse4))) [2020-11-06 21:59:47,851 INFO L266 CegarLoopResult]: For program point L153(lines 153 161) no Hoare annotation was computed. [2020-11-06 21:59:47,852 INFO L262 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= ~waterLevel~0 2))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4 (not (<= ~waterLevel~0 1))) (or .cse5 .cse7 .cse4 .cse6))) [2020-11-06 21:59:47,852 INFO L266 CegarLoopResult]: For program point processEnvironmentEXIT(lines 145 169) no Hoare annotation was computed. [2020-11-06 21:59:47,852 INFO L266 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-11-06 21:59:47,852 INFO L266 CegarLoopResult]: For program point L149(lines 149 166) no Hoare annotation was computed. [2020-11-06 21:59:47,852 INFO L262 CegarLoopResult]: At program point processEnvironmentENTRY(lines 145 169) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4 .cse6) (or .cse5 .cse3 .cse4 .cse7 .cse6) (or .cse0 (not (<= ~waterLevel~0 2)) .cse3 .cse4 .cse7) (or .cse5 .cse3 .cse4 .cse7 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,852 INFO L262 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4) (or .cse0 (not (<= ~waterLevel~0 2)) .cse6 .cse3 .cse7) (or .cse5 .cse6 .cse3 .cse7 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,853 INFO L266 CegarLoopResult]: For program point L164-1(lines 145 169) no Hoare annotation was computed. [2020-11-06 21:59:47,853 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 85 91) no Hoare annotation was computed. [2020-11-06 21:59:47,853 INFO L269 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 85 91) the Hoare annotation is: true [2020-11-06 21:59:47,853 INFO L262 CegarLoopResult]: At program point testENTRY(lines 360 425) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:59:47,853 INFO L262 CegarLoopResult]: At program point L415(lines 370 417) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse4 (<= ~waterLevel~0 1) .cse0 .cse5 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2020-11-06 21:59:47,853 INFO L262 CegarLoopResult]: At program point L382(line 382) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse4 (<= ~waterLevel~0 1) .cse0 .cse5 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2020-11-06 21:59:47,853 INFO L266 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-11-06 21:59:47,854 INFO L266 CegarLoopResult]: For program point L380-1(lines 380 386) no Hoare annotation was computed. [2020-11-06 21:59:47,854 INFO L266 CegarLoopResult]: For program point testFINAL(lines 360 425) no Hoare annotation was computed. [2020-11-06 21:59:47,854 INFO L266 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2020-11-06 21:59:47,854 INFO L262 CegarLoopResult]: At program point L418(lines 369 419) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:59:47,854 INFO L266 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-11-06 21:59:47,854 INFO L262 CegarLoopResult]: At program point L408-2(lines 400 413) the Hoare annotation is: (let ((.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse1 .cse5 .cse3 .cse6) (and .cse7 .cse1 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse8 .cse3) (and .cse1 .cse2 .cse5 .cse8 .cse3) (and .cse4 .cse1 .cse5 .cse8 .cse3 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse1 .cse0 (<= 2 ~waterLevel~0) .cse5 .cse3))) [2020-11-06 21:59:47,854 INFO L266 CegarLoopResult]: For program point L371(lines 370 417) no Hoare annotation was computed. [2020-11-06 21:59:47,855 INFO L262 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse1 .cse5 .cse3 .cse6) (and .cse7 .cse1 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse8 .cse3) (and .cse1 .cse2 .cse5 .cse8 .cse3) (and .cse4 .cse1 .cse5 .cse8 .cse3 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse1 .cse0 (<= 2 ~waterLevel~0) .cse5 .cse3))) [2020-11-06 21:59:47,855 INFO L266 CegarLoopResult]: For program point L400(lines 400 413) no Hoare annotation was computed. [2020-11-06 21:59:47,855 INFO L262 CegarLoopResult]: At program point L392(line 392) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse1 .cse5 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse1 .cse2 .cse5 (<= 1 ~methaneLevelCritical~0) .cse3) (and .cse4 .cse6 .cse1 .cse0 .cse3) (and .cse6 .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-11-06 21:59:47,855 INFO L266 CegarLoopResult]: For program point L390(lines 390 396) no Hoare annotation was computed. [2020-11-06 21:59:47,855 INFO L266 CegarLoopResult]: For program point L390-1(lines 390 396) no Hoare annotation was computed. [2020-11-06 21:59:47,855 INFO L266 CegarLoopResult]: For program point testEXIT(lines 360 425) no Hoare annotation was computed. [2020-11-06 21:59:47,855 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 724 725) no Hoare annotation was computed. [2020-11-06 21:59:47,855 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 731 732) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point L731(lines 731 732) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 700 745) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 700 745) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point L724(lines 724 725) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 700 745) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point L720(lines 720 727) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point L714(lines 714 734) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point L714-1(lines 714 734) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L262 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 170 177) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 170 177) no Hoare annotation was computed. [2020-11-06 21:59:47,856 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 170 177) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 886 894) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L269 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 886 894) the Hoare annotation is: true [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 886 894) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point L848(lines 848 856) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point printEnvironmentEXIT(lines 840 862) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point printEnvironmentENTRY(lines 840 862) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point printEnvironmentFINAL(lines 840 862) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 597 699) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point L667(lines 645 668) no Hoare annotation was computed. [2020-11-06 21:59:47,857 INFO L266 CegarLoopResult]: For program point L626(lines 626 642) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L686(lines 686 693) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L647(lines 646 666) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 597 699) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L643(lines 643 684) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 597 699) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L621(lines 621 625) no Hoare annotation was computed. [2020-11-06 21:59:47,858 INFO L266 CegarLoopResult]: For program point L685(lines 685 696) no Hoare annotation was computed. [2020-11-06 21:59:47,859 INFO L266 CegarLoopResult]: For program point L648(lines 648 652) no Hoare annotation was computed. [2020-11-06 21:59:47,859 INFO L266 CegarLoopResult]: For program point L646-2(lines 646 666) no Hoare annotation was computed. [2020-11-06 21:59:47,859 INFO L266 CegarLoopResult]: For program point select_oneENTRY(lines 1006 1015) no Hoare annotation was computed. [2020-11-06 21:59:47,859 INFO L266 CegarLoopResult]: For program point select_oneFINAL(lines 1006 1015) no Hoare annotation was computed. [2020-11-06 21:59:47,859 INFO L266 CegarLoopResult]: For program point select_oneEXIT(lines 1006 1015) no Hoare annotation was computed. [2020-11-06 21:59:47,859 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:59:47,860 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string81.base| |old(#t~string81.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string81.offset| |old(#t~string81.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-11-06 21:59:47,860 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:59:47,860 INFO L262 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,860 INFO L266 CegarLoopResult]: For program point L189-1(lines 178 194) no Hoare annotation was computed. [2020-11-06 21:59:47,860 INFO L266 CegarLoopResult]: For program point activatePumpEXIT(lines 178 194) no Hoare annotation was computed. [2020-11-06 21:59:47,860 INFO L266 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-11-06 21:59:47,860 INFO L262 CegarLoopResult]: At program point activatePumpENTRY(lines 178 194) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,860 INFO L262 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,861 INFO L266 CegarLoopResult]: For program point L183-1(line 183) no Hoare annotation was computed. [2020-11-06 21:59:47,861 INFO L266 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 259 277) no Hoare annotation was computed. [2020-11-06 21:59:47,861 INFO L266 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-11-06 21:59:47,861 INFO L269 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: true [2020-11-06 21:59:47,861 INFO L266 CegarLoopResult]: For program point L268-2(lines 268 272) no Hoare annotation was computed. [2020-11-06 21:59:47,861 INFO L266 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-11-06 21:59:47,861 INFO L269 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 259 277) the Hoare annotation is: true [2020-11-06 21:59:47,861 INFO L266 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 259 277) no Hoare annotation was computed. [2020-11-06 21:59:47,861 INFO L269 CegarLoopResult]: At program point getWaterLevelENTRY(lines 863 871) the Hoare annotation is: true [2020-11-06 21:59:47,861 INFO L266 CegarLoopResult]: For program point getWaterLevelFINAL(lines 863 871) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point getWaterLevelEXIT(lines 863 871) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L262 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse5 .cse1 .cse2 .cse4 (not (<= 2 ~waterLevel~0))) (or .cse6 .cse5 .cse1 .cse2 .cse4) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse6 .cse1 .cse7 (not (= 2 ~waterLevel~0)) .cse4))) [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 819 830) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L269 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 831 839) the Hoare annotation is: true [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 831 839) no Hoare annotation was computed. [2020-11-06 21:59:47,862 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 831 839) no Hoare annotation was computed. [2020-11-06 21:59:47,863 INFO L266 CegarLoopResult]: For program point L65(lines 61 83) no Hoare annotation was computed. [2020-11-06 21:59:47,863 INFO L266 CegarLoopResult]: For program point L63(lines 61 83) no Hoare annotation was computed. [2020-11-06 21:59:47,863 INFO L262 CegarLoopResult]: At program point timeShiftENTRY(lines 58 84) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1)) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= 2 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7 .cse8 .cse9 .cse4) (or .cse2 .cse8 .cse9 .cse4 .cse5) (or .cse6 .cse7 .cse10 .cse8 .cse9 .cse4) (or .cse7 .cse10 .cse9 .cse3 .cse4) (or .cse2 .cse7 .cse9 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 2)) .cse10 .cse9 .cse4 .cse5)))) [2020-11-06 21:59:47,863 INFO L266 CegarLoopResult]: For program point timeShiftEXIT(lines 58 84) no Hoare annotation was computed. [2020-11-06 21:59:47,863 INFO L262 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse24 (+ ~waterLevel~0 1))) (let ((.cse20 (= 1 ~systemActive~0)) (.cse19 (= ~pumpRunning~0 0)) (.cse21 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= .cse24 |old(~waterLevel~0)|)) (.cse22 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= ~waterLevel~0 0)) (.cse23 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse2 (and .cse22 .cse16 .cse23)) (.cse7 (and .cse15 .cse22 (<= |old(~waterLevel~0)| .cse24) .cse23)) (.cse13 (not (<= |old(~waterLevel~0)| 0))) (.cse14 (and .cse21 .cse22 .cse23)) (.cse3 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse17 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (and .cse21 .cse20 .cse19)) (.cse18 (and (<= 2 ~waterLevel~0) .cse19 (<= ~waterLevel~0 2))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not .cse20)) (.cse12 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse4 .cse6 .cse5 .cse7) (or .cse0 .cse2 .cse3 .cse4 .cse8 .cse5) (or .cse9 .cse10 .cse4 .cse8 .cse5 .cse7) (or .cse1 .cse5 .cse11 .cse12 .cse13) (or .cse9 .cse14 .cse3 .cse4 .cse8 .cse5 .cse13) (or .cse9 .cse1 .cse14 .cse3 .cse4 (and .cse15 .cse16) .cse17 .cse5) (or .cse9 .cse10 .cse8 .cse18 .cse5 .cse12) (or .cse8 .cse17 .cse5 .cse11 .cse12) (or .cse1 .cse18 .cse6 .cse5 .cse12) (or .cse0 .cse1 (and (= ~waterLevel~0 1) .cse19) .cse5 .cse12))))) [2020-11-06 21:59:47,863 INFO L262 CegarLoopResult]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse23 (+ ~waterLevel~0 1))) (let ((.cse7 (<= |old(~waterLevel~0)| .cse23)) (.cse5 (<= .cse23 |old(~waterLevel~0)|)) (.cse17 (= ~waterLevel~0 0)) (.cse22 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (= ~pumpRunning~0 0)) (.cse15 (<= ~waterLevel~0 0))) (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse16 (and .cse22 .cse14 .cse21 .cse15)) (.cse18 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse19 (and .cse22 .cse5 .cse21 .cse17)) (.cse0 (and .cse22 .cse5 .cse21 .cse7)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse14 .cse21)) (.cse12 (<= 2 ~waterLevel~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse20 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse2 .cse9 .cse4 .cse10 .cse11) (or (not (<= |old(~waterLevel~0)| 2)) (and .cse12 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse13) (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse4 .cse10) (or (and .cse14 .cse6 .cse15 .cse8) .cse16 (and .cse5 .cse6 .cse17 .cse8) .cse18 .cse1 .cse2 .cse9 .cse4 .cse19) (or .cse20 .cse16 .cse18 .cse1 .cse9 .cse4 .cse19) (or .cse0 .cse20 .cse1 .cse3 .cse4) (or .cse20 .cse4 .cse10 .cse11 (not (<= |old(~waterLevel~0)| 0))) (or .cse20 (and .cse12 .cse21 .cse13) .cse3 .cse4 .cse10) (or (not (= |old(~waterLevel~0)| 1)) .cse20 (and (= ~waterLevel~0 1) .cse21) .cse4 .cse10))))) [2020-11-06 21:59:47,864 INFO L266 CegarLoopResult]: For program point timeShiftFINAL(lines 58 84) no Hoare annotation was computed. [2020-11-06 21:59:47,864 INFO L262 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse6 .cse7)) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse5 (and (= 2 ~waterLevel~0) .cse6 .cse7) .cse4 .cse8 .cse2) (or .cse0 .cse1 .cse9 .cse5 .cse10 .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse5 (and .cse6 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse7) .cse2) (or .cse0 .cse10 .cse9 .cse5 .cse4 .cse2) (or .cse4 .cse8 .cse2 .cse3)))) [2020-11-06 21:59:47,864 INFO L266 CegarLoopResult]: For program point cleanupEXIT(lines 897 926) no Hoare annotation was computed. [2020-11-06 21:59:47,864 INFO L269 CegarLoopResult]: At program point cleanupENTRY(lines 897 926) the Hoare annotation is: true [2020-11-06 21:59:47,864 INFO L269 CegarLoopResult]: At program point L922(lines 897 926) the Hoare annotation is: true [2020-11-06 21:59:47,864 INFO L266 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-11-06 21:59:47,864 INFO L266 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-11-06 21:59:47,864 INFO L269 CegarLoopResult]: At program point L911-1(lines 911 915) the Hoare annotation is: true [2020-11-06 21:59:47,864 INFO L266 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-11-06 21:59:47,864 INFO L269 CegarLoopResult]: At program point L907-2(lines 907 921) the Hoare annotation is: true [2020-11-06 21:59:47,864 INFO L269 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: true [2020-11-06 21:59:47,864 INFO L266 CegarLoopResult]: For program point L903-1(line 903) no Hoare annotation was computed. [2020-11-06 21:59:47,865 INFO L262 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 795 806) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or (not (<= |old(~waterLevel~0)| 2)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse0 .cse4 .cse1 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse0 .cse4 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2 .cse3))) [2020-11-06 21:59:47,865 INFO L266 CegarLoopResult]: For program point L799-1(lines 795 806) no Hoare annotation was computed. [2020-11-06 21:59:47,865 INFO L266 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 795 806) no Hoare annotation was computed. [2020-11-06 21:59:47,865 INFO L266 CegarLoopResult]: For program point setupEXIT(lines 951 957) no Hoare annotation was computed. [2020-11-06 21:59:47,865 INFO L269 CegarLoopResult]: At program point setupFINAL(lines 951 957) the Hoare annotation is: true [2020-11-06 21:59:47,865 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:59:47,865 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-06 21:59:47,865 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 21:59:47,865 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:59:47,865 INFO L266 CegarLoopResult]: For program point startSystemEXIT(lines 297 304) no Hoare annotation was computed. [2020-11-06 21:59:47,866 INFO L262 CegarLoopResult]: At program point startSystemENTRY(lines 297 304) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse4 .cse3 .cse8) (or .cse0 .cse1 .cse4 .cse5 .cse8) (or .cse0 .cse1 .cse5 .cse2 .cse6) (or .cse0 .cse1 .cse5 .cse2 .cse8) (or .cse0 .cse1 .cse4 .cse3 .cse6 .cse7))) [2020-11-06 21:59:47,866 INFO L266 CegarLoopResult]: For program point startSystemFINAL(lines 297 304) no Hoare annotation was computed. [2020-11-06 21:59:47,866 INFO L266 CegarLoopResult]: For program point L97(lines 97 114) no Hoare annotation was computed. [2020-11-06 21:59:47,866 INFO L262 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 93 117) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse4 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,866 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 93 117) no Hoare annotation was computed. [2020-11-06 21:59:47,866 INFO L262 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse3 .cse1 .cse2))) [2020-11-06 21:59:47,866 INFO L266 CegarLoopResult]: For program point L112-1(lines 93 117) no Hoare annotation was computed. [2020-11-06 21:59:47,867 INFO L262 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3 (not (<= ~waterLevel~0 1))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse3 .cse4))) [2020-11-06 21:59:47,867 INFO L262 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1 .cse4))) [2020-11-06 21:59:47,867 INFO L266 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-11-06 21:59:47,867 INFO L262 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1 .cse4 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:59:47,867 INFO L266 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-11-06 21:59:47,867 INFO L266 CegarLoopResult]: For program point waterRiseEXIT(lines 807 818) no Hoare annotation was computed. [2020-11-06 21:59:47,868 INFO L266 CegarLoopResult]: For program point L811-1(lines 807 818) no Hoare annotation was computed. [2020-11-06 21:59:47,868 INFO L262 CegarLoopResult]: At program point waterRiseENTRY(lines 807 818) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse7 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-11-06 21:59:47,868 INFO L266 CegarLoopResult]: For program point __automaton_failFINAL(lines 996 1003) no Hoare annotation was computed. [2020-11-06 21:59:47,868 INFO L269 CegarLoopResult]: At program point __automaton_failENTRY(lines 996 1003) the Hoare annotation is: true [2020-11-06 21:59:47,868 INFO L266 CegarLoopResult]: For program point L1000(line 1000) no Hoare annotation was computed. [2020-11-06 21:59:47,868 INFO L266 CegarLoopResult]: For program point __automaton_failEXIT(lines 996 1003) no Hoare annotation was computed. [2020-11-06 21:59:47,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:47 BoogieIcfgContainer [2020-11-06 21:59:47,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:59:47,910 INFO L168 Benchmark]: Toolchain (without parser) took 353728.92 ms. Allocated memory was 167.8 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 142.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-11-06 21:59:47,911 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 99.8 MB in the end (delta: 120.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:59:47,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.84 ms. Allocated memory is still 167.8 MB. Free memory was 142.1 MB in the beginning and 149.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB. [2020-11-06 21:59:47,912 INFO L168 Benchmark]: Boogie Preprocessor took 157.35 ms. Allocated memory is still 167.8 MB. Free memory was 149.8 MB in the beginning and 145.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:59:47,912 INFO L168 Benchmark]: RCFGBuilder took 1497.50 ms. Allocated memory is still 167.8 MB. Free memory was 145.7 MB in the beginning and 95.1 MB in the end (delta: 50.7 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:59:47,912 INFO L168 Benchmark]: TraceAbstraction took 351394.84 ms. Allocated memory was 167.8 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 94.5 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-11-06 21:59:47,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 99.8 MB in the end (delta: 120.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 666.84 ms. Allocated memory is still 167.8 MB. Free memory was 142.1 MB in the beginning and 149.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 157.35 ms. Allocated memory is still 167.8 MB. Free memory was 149.8 MB in the beginning and 145.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1497.50 ms. Allocated memory is still 167.8 MB. Free memory was 145.7 MB in the beginning and 95.1 MB in the end (delta: 50.7 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 351394.84 ms. Allocated memory was 167.8 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 94.5 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 731]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 724]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 770]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 777]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((((1 == systemActive && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 2) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && pumpRunning <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && waterLevel <= 2) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && waterLevel <= 2) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 278 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 166.8s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 148.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 184.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3124 SDtfs, 11914 SDslu, 7465 SDs, 0 SdLazy, 38939 SolverSat, 11330 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 57.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3280 GetRequests, 2677 SyntacticMatches, 15 SemanticMatches, 588 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17125 ImplicationChecksByTransitivity, 79.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2115occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 2618 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 6360 PreInvPairs, 8373 NumberOfFragments, 4464 HoareAnnotationTreeSize, 6360 FomulaSimplifications, 60468936876 FormulaSimplificationTreeSizeReduction, 84.9s HoareSimplificationTime, 75 FomulaSimplificationsInter, 369311224 FormulaSimplificationTreeSizeReductionInter, 98.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 4157 NumberOfCodeBlocks, 4157 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4138 ConstructedInterpolants, 0 QuantifiedInterpolants, 2664391 SizeOfPredicates, 24 NumberOfNonLiveVariables, 7068 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 3292/3553 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...