/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:54:58,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:54:58,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:54:58,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:54:58,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:54:58,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:54:58,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:54:58,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:54:58,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:54:58,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:54:58,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:54:58,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:54:58,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:54:58,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:54:58,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:54:58,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:54:58,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:54:58,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:54:58,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:54:58,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:54:58,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:54:58,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:54:58,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:54:58,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:54:58,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:54:58,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:54:58,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:54:58,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:54:58,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:54:58,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:54:58,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:54:58,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:54:58,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:54:58,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:54:58,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:54:58,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:54:58,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:54:58,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:54:58,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:54:58,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:54:58,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:54:58,315 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 21:54:58,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:54:58,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:54:58,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:54:58,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:54:58,373 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:54:58,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:54:58,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:54:58,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:54:58,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:54:58,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:54:58,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:54:58,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:54:58,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:54:58,376 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:54:58,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:54:58,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:54:58,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:54:58,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:54:58,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:54:58,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:54:58,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:54:58,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:54:58,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:54:58,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:54:58,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:54:58,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:54:58,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:54:58,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:54:58,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:54:58,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:54:58,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:54:58,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:54:58,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:54:58,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:54:58,811 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:54:58,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-11-06 21:54:58,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3641f4e67/c8ce3d972f5c4595845f4c9d645d8e0a/FLAGe58f83934 [2020-11-06 21:54:59,629 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:54:59,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-11-06 21:54:59,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3641f4e67/c8ce3d972f5c4595845f4c9d645d8e0a/FLAGe58f83934 [2020-11-06 21:54:59,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3641f4e67/c8ce3d972f5c4595845f4c9d645d8e0a [2020-11-06 21:54:59,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:54:59,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:54:59,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:54:59,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:54:59,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:54:59,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:59" (1/1) ... [2020-11-06 21:54:59,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9129e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:59, skipping insertion in model container [2020-11-06 21:54:59,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:59" (1/1) ... [2020-11-06 21:54:59,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:55:00,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:55:00,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:55:00,547 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:55:00,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:55:00,667 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:55:00,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00 WrapperNode [2020-11-06 21:55:00,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:55:00,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:55:00,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:55:00,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:55:00,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (1/1) ... [2020-11-06 21:55:00,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (1/1) ... [2020-11-06 21:55:00,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (1/1) ... [2020-11-06 21:55:00,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (1/1) ... [2020-11-06 21:55:00,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (1/1) ... [2020-11-06 21:55:00,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (1/1) ... [2020-11-06 21:55:00,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (1/1) ... [2020-11-06 21:55:00,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:55:00,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:55:00,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:55:00,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:55:00,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (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 21:55:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:55:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:55:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:55:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:55:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:55:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:55:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:55:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:55:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:55:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:55:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-06 21:55:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-06 21:55:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:55:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:55:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:55:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:55:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:55:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:55:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:55:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 21:55:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-06 21:55:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-06 21:55:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 21:55:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:55:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:55:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:55:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:55:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:55:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:55:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 21:55:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-06 21:55:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:55:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:55:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:55:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:55:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:55:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:55:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:55:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:55:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:55:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:55:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:55:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:55:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:55:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:55:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:55:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:55:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 21:55:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-06 21:55:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:55:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:55:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:55:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:55:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:55:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:55:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 21:55:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-06 21:55:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:55:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:55:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:55:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:55:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:55:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 21:55:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-06 21:55:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-06 21:55:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-06 21:55:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:55:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:55:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:55:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:55:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:55:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:55:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:55:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:55:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:55:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:55:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:55:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:55:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:55:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:55:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:55:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:55:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:55:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:55:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:55:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:55:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:55:02,160 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:55:02,162 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:55:02,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:02 BoogieIcfgContainer [2020-11-06 21:55:02,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:55:02,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:55:02,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:55:02,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:55:02,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:54:59" (1/3) ... [2020-11-06 21:55:02,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3191f4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:55:02, skipping insertion in model container [2020-11-06 21:55:02,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:00" (2/3) ... [2020-11-06 21:55:02,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3191f4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:55:02, skipping insertion in model container [2020-11-06 21:55:02,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:02" (3/3) ... [2020-11-06 21:55:02,179 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-11-06 21:55:02,195 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:55:02,199 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:55:02,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:55:02,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:55:02,240 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:55:02,240 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:55:02,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:55:02,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:55:02,240 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:55:02,240 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:55:02,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:55:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2020-11-06 21:55:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-06 21:55:02,274 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:02,275 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 21:55:02,276 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 21:55:02,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:02,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1398715498, now seen corresponding path program 1 times [2020-11-06 21:55:02,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:02,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045920807] [2020-11-06 21:55:02,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,059 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:03,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:55:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 21:55:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:55:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:03,204 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 21:55:03,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045920807] [2020-11-06 21:55:03,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:03,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:55:03,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730046047] [2020-11-06 21:55:03,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:55:03,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:03,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:55:03,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:55:03,232 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 4 states. [2020-11-06 21:55:04,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:04,850 INFO L93 Difference]: Finished difference Result 387 states and 495 transitions. [2020-11-06 21:55:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 21:55:04,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-11-06 21:55:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:04,870 INFO L225 Difference]: With dead ends: 387 [2020-11-06 21:55:04,870 INFO L226 Difference]: Without dead ends: 211 [2020-11-06 21:55:04,879 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 21:55:04,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-11-06 21:55:05,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 174. [2020-11-06 21:55:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-06 21:55:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 206 transitions. [2020-11-06 21:55:05,022 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 206 transitions. Word has length 60 [2020-11-06 21:55:05,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:05,023 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 206 transitions. [2020-11-06 21:55:05,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:55:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 206 transitions. [2020-11-06 21:55:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-06 21:55:05,028 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:05,028 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 21:55:05,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:55:05,029 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 21:55:05,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:05,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1100769973, now seen corresponding path program 1 times [2020-11-06 21:55:05,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:05,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998792959] [2020-11-06 21:55:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,505 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:05,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:55:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 21:55:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-06 21:55:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:05,596 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 21:55:05,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998792959] [2020-11-06 21:55:05,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:05,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 21:55:05,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179224449] [2020-11-06 21:55:05,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:55:05,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:05,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:55:05,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:55:05,601 INFO L87 Difference]: Start difference. First operand 174 states and 206 transitions. Second operand 5 states. [2020-11-06 21:55:06,264 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:07,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:07,872 INFO L93 Difference]: Finished difference Result 319 states and 391 transitions. [2020-11-06 21:55:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 21:55:07,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-11-06 21:55:07,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:07,878 INFO L225 Difference]: With dead ends: 319 [2020-11-06 21:55:07,878 INFO L226 Difference]: Without dead ends: 201 [2020-11-06 21:55:07,881 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 21:55:07,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-11-06 21:55:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 165. [2020-11-06 21:55:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-11-06 21:55:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 194 transitions. [2020-11-06 21:55:07,956 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 194 transitions. Word has length 61 [2020-11-06 21:55:07,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:07,956 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 194 transitions. [2020-11-06 21:55:07,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:55:07,957 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2020-11-06 21:55:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-06 21:55:07,959 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:07,960 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 21:55:07,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:55:07,960 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 21:55:07,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash 557553578, now seen corresponding path program 1 times [2020-11-06 21:55:07,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:07,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998345583] [2020-11-06 21:55:07,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,423 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:08,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:55:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:55:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:55:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:08,548 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 21:55:08,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998345583] [2020-11-06 21:55:08,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:08,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:55:08,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134476367] [2020-11-06 21:55:08,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:55:08,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:08,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:55:08,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:55:08,551 INFO L87 Difference]: Start difference. First operand 165 states and 194 transitions. Second operand 9 states. [2020-11-06 21:55:09,113 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:09,591 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:09,980 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:10,345 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:11,497 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:14,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:14,155 INFO L93 Difference]: Finished difference Result 553 states and 684 transitions. [2020-11-06 21:55:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 21:55:14,156 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-11-06 21:55:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:14,163 INFO L225 Difference]: With dead ends: 553 [2020-11-06 21:55:14,163 INFO L226 Difference]: Without dead ends: 416 [2020-11-06 21:55:14,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-11-06 21:55:14,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-11-06 21:55:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 345. [2020-11-06 21:55:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-11-06 21:55:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 419 transitions. [2020-11-06 21:55:14,298 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 419 transitions. Word has length 66 [2020-11-06 21:55:14,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:14,299 INFO L481 AbstractCegarLoop]: Abstraction has 345 states and 419 transitions. [2020-11-06 21:55:14,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:55:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 419 transitions. [2020-11-06 21:55:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-06 21:55:14,302 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:14,302 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] [2020-11-06 21:55:14,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:55:14,303 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 21:55:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:14,303 INFO L82 PathProgramCache]: Analyzing trace with hash 996963024, now seen corresponding path program 1 times [2020-11-06 21:55:14,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:14,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424908089] [2020-11-06 21:55:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,796 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:14,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:55:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:55:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-06 21:55:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-11-06 21:55:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:14,935 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 21:55:14,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424908089] [2020-11-06 21:55:14,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:14,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:55:14,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127992493] [2020-11-06 21:55:14,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:55:14,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:14,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:55:14,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:55:14,947 INFO L87 Difference]: Start difference. First operand 345 states and 419 transitions. Second operand 9 states. [2020-11-06 21:55:15,501 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:16,455 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:17,809 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:18,175 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:18,620 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:19,054 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:20,360 INFO L93 Difference]: Finished difference Result 893 states and 1154 transitions. [2020-11-06 21:55:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 21:55:20,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-11-06 21:55:20,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:20,366 INFO L225 Difference]: With dead ends: 893 [2020-11-06 21:55:20,366 INFO L226 Difference]: Without dead ends: 576 [2020-11-06 21:55:20,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-11-06 21:55:20,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-11-06 21:55:20,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 508. [2020-11-06 21:55:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2020-11-06 21:55:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 606 transitions. [2020-11-06 21:55:20,492 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 606 transitions. Word has length 71 [2020-11-06 21:55:20,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:20,493 INFO L481 AbstractCegarLoop]: Abstraction has 508 states and 606 transitions. [2020-11-06 21:55:20,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:55:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 606 transitions. [2020-11-06 21:55:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 21:55:20,496 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:20,497 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 21:55:20,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:55:20,497 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 21:55:20,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:20,498 INFO L82 PathProgramCache]: Analyzing trace with hash -155235281, now seen corresponding path program 1 times [2020-11-06 21:55:20,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:20,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296058392] [2020-11-06 21:55:20,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,894 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:55:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:55:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:20,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-06 21:55:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 21:55:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:21,100 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 21:55:21,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296058392] [2020-11-06 21:55:21,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:21,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:55:21,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101776549] [2020-11-06 21:55:21,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:55:21,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:21,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:55:21,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:55:21,103 INFO L87 Difference]: Start difference. First operand 508 states and 606 transitions. Second operand 9 states. [2020-11-06 21:55:22,631 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:23,018 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:23,403 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:23,773 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:25,177 INFO L93 Difference]: Finished difference Result 1081 states and 1380 transitions. [2020-11-06 21:55:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 21:55:25,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-11-06 21:55:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:25,183 INFO L225 Difference]: With dead ends: 1081 [2020-11-06 21:55:25,183 INFO L226 Difference]: Without dead ends: 601 [2020-11-06 21:55:25,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:55:25,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-11-06 21:55:25,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 521. [2020-11-06 21:55:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-11-06 21:55:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 620 transitions. [2020-11-06 21:55:25,295 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 620 transitions. Word has length 114 [2020-11-06 21:55:25,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:25,296 INFO L481 AbstractCegarLoop]: Abstraction has 521 states and 620 transitions. [2020-11-06 21:55:25,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:55:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 620 transitions. [2020-11-06 21:55:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 21:55:25,299 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:25,299 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 21:55:25,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:55:25,300 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 21:55:25,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:25,300 INFO L82 PathProgramCache]: Analyzing trace with hash -170753999, now seen corresponding path program 1 times [2020-11-06 21:55:25,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:25,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032542614] [2020-11-06 21:55:25,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,686 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:25,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:55:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:55:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-06 21:55:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 21:55:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:25,893 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 21:55:25,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032542614] [2020-11-06 21:55:25,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:25,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 21:55:25,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524238761] [2020-11-06 21:55:25,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 21:55:25,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:25,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 21:55:25,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:55:25,896 INFO L87 Difference]: Start difference. First operand 521 states and 620 transitions. Second operand 11 states. [2020-11-06 21:55:26,638 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:27,012 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:27,364 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:28,467 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:28,892 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:29,286 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:30,809 INFO L93 Difference]: Finished difference Result 1104 states and 1404 transitions. [2020-11-06 21:55:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 21:55:30,810 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2020-11-06 21:55:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:30,816 INFO L225 Difference]: With dead ends: 1104 [2020-11-06 21:55:30,816 INFO L226 Difference]: Without dead ends: 611 [2020-11-06 21:55:30,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-11-06 21:55:30,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-11-06 21:55:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 529. [2020-11-06 21:55:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-11-06 21:55:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 628 transitions. [2020-11-06 21:55:30,944 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 628 transitions. Word has length 114 [2020-11-06 21:55:30,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:30,944 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 628 transitions. [2020-11-06 21:55:30,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 21:55:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 628 transitions. [2020-11-06 21:55:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 21:55:30,947 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:30,947 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 21:55:30,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 21:55:30,948 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 21:55:30,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:30,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2096287310, now seen corresponding path program 1 times [2020-11-06 21:55:30,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:30,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523553449] [2020-11-06 21:55:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,340 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:31,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:55:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:55:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-06 21:55:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 21:55:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:31,568 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 21:55:31,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523553449] [2020-11-06 21:55:31,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:31,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:55:31,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941348353] [2020-11-06 21:55:31,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:55:31,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:31,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:55:31,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:55:31,575 INFO L87 Difference]: Start difference. First operand 529 states and 628 transitions. Second operand 7 states. [2020-11-06 21:55:32,135 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:32,885 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:36,116 INFO L93 Difference]: Finished difference Result 1606 states and 2059 transitions. [2020-11-06 21:55:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 21:55:36,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-11-06 21:55:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:36,125 INFO L225 Difference]: With dead ends: 1606 [2020-11-06 21:55:36,125 INFO L226 Difference]: Without dead ends: 1105 [2020-11-06 21:55:36,128 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 21:55:36,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2020-11-06 21:55:36,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1026. [2020-11-06 21:55:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-11-06 21:55:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1240 transitions. [2020-11-06 21:55:36,295 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1240 transitions. Word has length 114 [2020-11-06 21:55:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:36,296 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 1240 transitions. [2020-11-06 21:55:36,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:55:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1240 transitions. [2020-11-06 21:55:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-06 21:55:36,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:36,299 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 21:55:36,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 21:55:36,299 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 21:55:36,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash -2143051668, now seen corresponding path program 1 times [2020-11-06 21:55:36,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:36,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616495057] [2020-11-06 21:55:36,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,840 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:36,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:55:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:55:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-06 21:55:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:36,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:37,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:37,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:37,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-11-06 21:55:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-11-06 21:55:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:37,048 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 21:55:37,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616495057] [2020-11-06 21:55:37,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:55:37,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 21:55:37,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074535306] [2020-11-06 21:55:37,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 21:55:37,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:37,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 21:55:37,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:55:37,051 INFO L87 Difference]: Start difference. First operand 1026 states and 1240 transitions. Second operand 12 states. [2020-11-06 21:55:37,676 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:38,566 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:39,523 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:39,986 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:40,372 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:55:40,808 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:41,207 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:44,458 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:44,913 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:46,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:55:46,005 INFO L93 Difference]: Finished difference Result 2918 states and 3747 transitions. [2020-11-06 21:55:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-06 21:55:46,009 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-11-06 21:55:46,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:55:46,022 INFO L225 Difference]: With dead ends: 2918 [2020-11-06 21:55:46,022 INFO L226 Difference]: Without dead ends: 2122 [2020-11-06 21:55:46,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-11-06 21:55:46,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-11-06 21:55:46,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 1809. [2020-11-06 21:55:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2020-11-06 21:55:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2167 transitions. [2020-11-06 21:55:46,454 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2167 transitions. Word has length 118 [2020-11-06 21:55:46,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:55:46,454 INFO L481 AbstractCegarLoop]: Abstraction has 1809 states and 2167 transitions. [2020-11-06 21:55:46,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 21:55:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2167 transitions. [2020-11-06 21:55:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-06 21:55:46,460 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:55:46,460 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 21:55:46,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 21:55:46,461 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 21:55:46,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:55:46,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1372551489, now seen corresponding path program 1 times [2020-11-06 21:55:46,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:55:46,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46197168] [2020-11-06 21:55:46,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:55:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:46,958 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:55:46,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:46,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:55:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:46,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:55:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:55:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:55:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:55:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:55:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:55:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:55:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:55:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:55:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-11-06 21:55:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:55:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-06 21:55:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-06 21:55:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:55:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:55:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:55:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:55:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-11-06 21:55:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-11-06 21:55:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,381 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 21:55:47,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46197168] [2020-11-06 21:55:47,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633236387] [2020-11-06 21:55:47,382 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 21:55:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:55:47,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 21:55:47,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:55:48,063 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 21:55:48,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:55:48,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-11-06 21:55:48,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222915696] [2020-11-06 21:55:48,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-06 21:55:48,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:55:48,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-06 21:55:48,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-11-06 21:55:48,067 INFO L87 Difference]: Start difference. First operand 1809 states and 2167 transitions. Second operand 20 states. [2020-11-06 21:55:48,862 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:55:49,375 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:55:49,801 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:55:50,188 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:55:51,139 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-11-06 21:55:51,724 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-06 21:55:52,214 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:55:52,771 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-06 21:55:53,313 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-06 21:55:55,433 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:56,363 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:56,827 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:55:57,324 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:55:58,123 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:55:58,738 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-06 21:55:59,679 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-06 21:56:00,301 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:00,730 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:01,616 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:02,704 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:03,482 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:04,014 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:04,413 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:56:04,875 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-06 21:56:05,294 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:05,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:56:05,819 INFO L93 Difference]: Finished difference Result 3935 states and 4863 transitions. [2020-11-06 21:56:05,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-11-06 21:56:05,820 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 196 [2020-11-06 21:56:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:56:05,834 INFO L225 Difference]: With dead ends: 3935 [2020-11-06 21:56:05,834 INFO L226 Difference]: Without dead ends: 2344 [2020-11-06 21:56:05,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1609 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=1023, Invalid=4379, Unknown=0, NotChecked=0, Total=5402 [2020-11-06 21:56:05,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2020-11-06 21:56:06,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2100. [2020-11-06 21:56:06,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-11-06 21:56:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2459 transitions. [2020-11-06 21:56:06,344 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2459 transitions. Word has length 196 [2020-11-06 21:56:06,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:56:06,345 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2459 transitions. [2020-11-06 21:56:06,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-06 21:56:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2459 transitions. [2020-11-06 21:56:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-06 21:56:06,356 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:56:06,357 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, 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 21:56:06,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-06 21:56:06,571 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 21:56:06,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:56:06,572 INFO L82 PathProgramCache]: Analyzing trace with hash -987698881, now seen corresponding path program 1 times [2020-11-06 21:56:06,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:56:06,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248965268] [2020-11-06 21:56:06,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:56:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:06,992 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:56:06,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:56:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:56:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:56:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:56:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:56:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:56:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:56:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:56:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:56:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:56:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-06 21:56:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:56:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-06 21:56:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-11-06 21:56:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-11-06 21:56:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-11-06 21:56:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-11-06 21:56:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 80 proven. 7 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-11-06 21:56:07,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248965268] [2020-11-06 21:56:07,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7959028] [2020-11-06 21:56:07,642 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 21:56:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:07,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-06 21:56:08,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:56:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 243 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-11-06 21:56:08,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:56:08,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-11-06 21:56:08,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209817289] [2020-11-06 21:56:08,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-06 21:56:08,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:56:08,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-06 21:56:08,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-11-06 21:56:08,482 INFO L87 Difference]: Start difference. First operand 2100 states and 2459 transitions. Second operand 24 states. [2020-11-06 21:56:09,580 WARN L194 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:56:11,021 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:56:11,694 WARN L194 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:12,637 WARN L194 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:14,036 WARN L194 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:14,688 WARN L194 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:15,254 WARN L194 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:15,793 WARN L194 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:16,289 WARN L194 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:16,935 WARN L194 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:17,460 WARN L194 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:17,986 WARN L194 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:18,488 WARN L194 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:19,049 WARN L194 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:19,576 WARN L194 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:20,161 WARN L194 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:56:20,725 WARN L194 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:21,332 WARN L194 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:21,968 WARN L194 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:22,616 WARN L194 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:56:24,855 WARN L194 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:25,800 WARN L194 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:26,504 WARN L194 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:27,144 WARN L194 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:56:27,929 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:56:28,613 WARN L194 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:56:29,128 WARN L194 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:29,851 WARN L194 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:30,558 WARN L194 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:31,311 WARN L194 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:34,664 WARN L194 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:35,212 WARN L194 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:35,750 WARN L194 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:56:36,275 WARN L194 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:37,265 WARN L194 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-06 21:56:37,828 WARN L194 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:38,747 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-06 21:56:39,262 WARN L194 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:56:50,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:56:50,626 INFO L93 Difference]: Finished difference Result 8461 states and 11814 transitions. [2020-11-06 21:56:50,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2020-11-06 21:56:50,627 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 336 [2020-11-06 21:56:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:56:50,672 INFO L225 Difference]: With dead ends: 8461 [2020-11-06 21:56:50,673 INFO L226 Difference]: Without dead ends: 6397 [2020-11-06 21:56:50,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 469 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 22.4s TimeCoverageRelationStatistics Valid=1944, Invalid=11166, Unknown=0, NotChecked=0, Total=13110 [2020-11-06 21:56:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6397 states. [2020-11-06 21:56:51,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6397 to 4566. [2020-11-06 21:56:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4566 states. [2020-11-06 21:56:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4566 states to 4566 states and 5253 transitions. [2020-11-06 21:56:52,007 INFO L78 Accepts]: Start accepts. Automaton has 4566 states and 5253 transitions. Word has length 336 [2020-11-06 21:56:52,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:56:52,008 INFO L481 AbstractCegarLoop]: Abstraction has 4566 states and 5253 transitions. [2020-11-06 21:56:52,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-06 21:56:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4566 states and 5253 transitions. [2020-11-06 21:56:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-11-06 21:56:52,031 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:56:52,031 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 21:56:52,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-06 21:56:52,245 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 21:56:52,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:56:52,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1907971825, now seen corresponding path program 1 times [2020-11-06 21:56:52,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:56:52,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976238790] [2020-11-06 21:56:52,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:56:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,701 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:56:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:56:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:56:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:56:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:56:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:56:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 21:56:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:56:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:52,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:56:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-06 21:56:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:56:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:56:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:56:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-06 21:56:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:56:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:56:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-11-06 21:56:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-11-06 21:56:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-11-06 21:56:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-11-06 21:56:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-06 21:56:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 64 proven. 40 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-11-06 21:56:53,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976238790] [2020-11-06 21:56:53,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226444801] [2020-11-06 21:56:53,640 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 21:56:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:53,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-06 21:56:54,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:56:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-11-06 21:56:54,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 21:56:54,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-11-06 21:56:54,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725539561] [2020-11-06 21:56:54,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 21:56:54,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:56:54,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 21:56:54,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-11-06 21:56:54,281 INFO L87 Difference]: Start difference. First operand 4566 states and 5253 transitions. Second operand 8 states. [2020-11-06 21:56:55,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:56:55,807 INFO L93 Difference]: Finished difference Result 8504 states and 9838 transitions. [2020-11-06 21:56:55,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 21:56:55,808 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 352 [2020-11-06 21:56:55,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:56:55,834 INFO L225 Difference]: With dead ends: 8504 [2020-11-06 21:56:55,834 INFO L226 Difference]: Without dead ends: 4382 [2020-11-06 21:56:55,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 463 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-11-06 21:56:55,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2020-11-06 21:56:56,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 4366. [2020-11-06 21:56:56,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4366 states. [2020-11-06 21:56:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 5002 transitions. [2020-11-06 21:56:56,992 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 5002 transitions. Word has length 352 [2020-11-06 21:56:56,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:56:56,993 INFO L481 AbstractCegarLoop]: Abstraction has 4366 states and 5002 transitions. [2020-11-06 21:56:56,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 21:56:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 5002 transitions. [2020-11-06 21:56:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-11-06 21:56:57,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:56:57,015 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:56:57,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-06 21:56:57,230 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 21:56:57,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:56:57,231 INFO L82 PathProgramCache]: Analyzing trace with hash 84024937, now seen corresponding path program 1 times [2020-11-06 21:56:57,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:56:57,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798068950] [2020-11-06 21:56:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:56:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,792 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:56:57,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:56:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:56:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:56:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:56:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:56:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:56:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:56:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 21:56:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:57,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-06 21:56:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:56:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:56:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:56:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-06 21:56:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:56:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:56:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:56:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:56:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:56:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-11-06 21:56:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-11-06 21:56:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-11-06 21:56:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-11-06 21:56:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:56:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:56:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:56:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:56:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-06 21:56:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-11-06 21:56:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 96 proven. 28 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-11-06 21:56:58,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798068950] [2020-11-06 21:56:58,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926825316] [2020-11-06 21:56:58,339 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 21:56:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:58,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-06 21:56:58,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:56:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-11-06 21:56:59,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 21:56:59,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-11-06 21:56:59,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726160533] [2020-11-06 21:56:59,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 21:56:59,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:56:59,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 21:56:59,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-11-06 21:56:59,043 INFO L87 Difference]: Start difference. First operand 4366 states and 5002 transitions. Second operand 8 states. [2020-11-06 21:57:00,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:00,306 INFO L93 Difference]: Finished difference Result 8014 states and 9238 transitions. [2020-11-06 21:57:00,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 21:57:00,307 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 356 [2020-11-06 21:57:00,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:00,332 INFO L225 Difference]: With dead ends: 8014 [2020-11-06 21:57:00,332 INFO L226 Difference]: Without dead ends: 4092 [2020-11-06 21:57:00,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 474 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-11-06 21:57:00,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2020-11-06 21:57:01,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 4048. [2020-11-06 21:57:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4048 states. [2020-11-06 21:57:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4048 states to 4048 states and 4630 transitions. [2020-11-06 21:57:01,378 INFO L78 Accepts]: Start accepts. Automaton has 4048 states and 4630 transitions. Word has length 356 [2020-11-06 21:57:01,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:01,379 INFO L481 AbstractCegarLoop]: Abstraction has 4048 states and 4630 transitions. [2020-11-06 21:57:01,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 21:57:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 4048 states and 4630 transitions. [2020-11-06 21:57:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-11-06 21:57:01,394 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:01,395 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:57:01,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:57:01,610 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 21:57:01,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:01,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1984111255, now seen corresponding path program 2 times [2020-11-06 21:57:01,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:01,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67603765] [2020-11-06 21:57:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,202 WARN L194 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:57:02,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:57:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:57:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:57:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:57:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:57:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:57:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:57:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:57:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:57:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-11-06 21:57:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-06 21:57:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:57:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-11-06 21:57:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-11-06 21:57:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-11-06 21:57:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-11-06 21:57:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-06 21:57:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-11-06 21:57:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 94 proven. 48 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-11-06 21:57:02,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67603765] [2020-11-06 21:57:02,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585885919] [2020-11-06 21:57:02,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 21:57:03,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-06 21:57:03,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 21:57:03,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-06 21:57:03,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:57:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-06 21:57:03,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:57:03,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-11-06 21:57:03,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018323503] [2020-11-06 21:57:03,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-06 21:57:03,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:03,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-06 21:57:03,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-11-06 21:57:03,503 INFO L87 Difference]: Start difference. First operand 4048 states and 4630 transitions. Second operand 23 states. [2020-11-06 21:57:04,712 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-06 21:57:05,647 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-06 21:57:06,460 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-06 21:57:07,263 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-06 21:57:08,898 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-06 21:57:11,448 WARN L194 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-06 21:57:12,352 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-06 21:57:13,046 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:57:14,253 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:57:16,105 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:57:16,552 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:57:18,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:18,334 INFO L93 Difference]: Finished difference Result 8489 states and 10333 transitions. [2020-11-06 21:57:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-06 21:57:18,335 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 356 [2020-11-06 21:57:18,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:18,368 INFO L225 Difference]: With dead ends: 8489 [2020-11-06 21:57:18,369 INFO L226 Difference]: Without dead ends: 4885 [2020-11-06 21:57:18,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=551, Invalid=2419, Unknown=0, NotChecked=0, Total=2970 [2020-11-06 21:57:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2020-11-06 21:57:19,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4052. [2020-11-06 21:57:19,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4052 states. [2020-11-06 21:57:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4052 states to 4052 states and 4628 transitions. [2020-11-06 21:57:19,653 INFO L78 Accepts]: Start accepts. Automaton has 4052 states and 4628 transitions. Word has length 356 [2020-11-06 21:57:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:19,654 INFO L481 AbstractCegarLoop]: Abstraction has 4052 states and 4628 transitions. [2020-11-06 21:57:19,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-06 21:57:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4052 states and 4628 transitions. [2020-11-06 21:57:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-11-06 21:57:19,668 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:19,668 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:57:19,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-06 21:57:19,883 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 21:57:19,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:19,884 INFO L82 PathProgramCache]: Analyzing trace with hash 160475069, now seen corresponding path program 1 times [2020-11-06 21:57:19,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:19,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486555289] [2020-11-06 21:57:19,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,317 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:57:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:57:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:57:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:57:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:57:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:57:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:57:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:57:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:57:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:57:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-06 21:57:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-11-06 21:57:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:57:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-06 21:57:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-06 21:57:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-11-06 21:57:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-11-06 21:57:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-11-06 21:57:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:20,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2020-11-06 21:57:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 94 proven. 47 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-11-06 21:57:21,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486555289] [2020-11-06 21:57:21,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682628511] [2020-11-06 21:57:21,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:57:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:21,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 28 conjunts are in the unsatisfiable core [2020-11-06 21:57:21,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:57:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 206 proven. 16 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-11-06 21:57:21,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:57:21,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 19 [2020-11-06 21:57:21,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126899193] [2020-11-06 21:57:21,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-06 21:57:21,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:21,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-06 21:57:21,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-11-06 21:57:21,664 INFO L87 Difference]: Start difference. First operand 4052 states and 4628 transitions. Second operand 19 states. [2020-11-06 21:57:22,415 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:57:23,538 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:57:24,800 WARN L194 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:57:25,681 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-06 21:57:26,488 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-06 21:57:26,908 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:57:27,828 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-06 21:57:28,701 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-06 21:57:29,148 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:57:30,860 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:57:34,118 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:57:34,863 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:57:35,689 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-06 21:57:36,498 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-06 21:57:42,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:42,404 INFO L93 Difference]: Finished difference Result 10599 states and 14140 transitions. [2020-11-06 21:57:42,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-11-06 21:57:42,406 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 357 [2020-11-06 21:57:42,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:42,473 INFO L225 Difference]: With dead ends: 10599 [2020-11-06 21:57:42,473 INFO L226 Difference]: Without dead ends: 8453 [2020-11-06 21:57:42,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 521 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2238 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=1396, Invalid=5246, Unknown=0, NotChecked=0, Total=6642 [2020-11-06 21:57:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2020-11-06 21:57:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 5294. [2020-11-06 21:57:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5294 states. [2020-11-06 21:57:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 6050 transitions. [2020-11-06 21:57:43,868 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 6050 transitions. Word has length 357 [2020-11-06 21:57:43,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:43,869 INFO L481 AbstractCegarLoop]: Abstraction has 5294 states and 6050 transitions. [2020-11-06 21:57:43,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-06 21:57:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 6050 transitions. [2020-11-06 21:57:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-11-06 21:57:43,886 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:43,887 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, 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, 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, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:44,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:57:44,102 INFO L429 AbstractCegarLoop]: === Iteration 15 === [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 21:57:44,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:44,103 INFO L82 PathProgramCache]: Analyzing trace with hash 391812614, now seen corresponding path program 1 times [2020-11-06 21:57:44,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:44,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996894863] [2020-11-06 21:57:44,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,537 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:57:44,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:57:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:57:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:57:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:57:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:57:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:57:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:57:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:57:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:57:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-06 21:57:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-11-06 21:57:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:57:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-06 21:57:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-06 21:57:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-11-06 21:57:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-11-06 21:57:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:57:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:57:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-06 21:57:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-11-06 21:57:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-11-06 21:57:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-11-06 21:57:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-11-06 21:57:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2020-11-06 21:57:45,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996894863] [2020-11-06 21:57:45,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:45,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 21:57:45,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180826581] [2020-11-06 21:57:45,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 21:57:45,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:45,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 21:57:45,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:57:45,123 INFO L87 Difference]: Start difference. First operand 5294 states and 6050 transitions. Second operand 11 states. [2020-11-06 21:57:45,672 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:57:46,775 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:57:51,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:51,436 INFO L93 Difference]: Finished difference Result 9228 states and 10930 transitions. [2020-11-06 21:57:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-06 21:57:51,437 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 436 [2020-11-06 21:57:51,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:51,458 INFO L225 Difference]: With dead ends: 9228 [2020-11-06 21:57:51,458 INFO L226 Difference]: Without dead ends: 3998 [2020-11-06 21:57:51,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=367, Invalid=1525, Unknown=0, NotChecked=0, Total=1892 [2020-11-06 21:57:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3998 states. [2020-11-06 21:57:52,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3998 to 3298. [2020-11-06 21:57:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3298 states. [2020-11-06 21:57:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 3713 transitions. [2020-11-06 21:57:52,162 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 3713 transitions. Word has length 436 [2020-11-06 21:57:52,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:52,163 INFO L481 AbstractCegarLoop]: Abstraction has 3298 states and 3713 transitions. [2020-11-06 21:57:52,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 21:57:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 3713 transitions. [2020-11-06 21:57:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-11-06 21:57:52,173 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:52,173 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:52,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-06 21:57:52,174 INFO L429 AbstractCegarLoop]: === Iteration 16 === [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 21:57:52,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:52,174 INFO L82 PathProgramCache]: Analyzing trace with hash -849669930, now seen corresponding path program 1 times [2020-11-06 21:57:52,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:52,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055999232] [2020-11-06 21:57:52,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,667 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:57:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:57:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:57:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:57:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:57:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:57:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-06 21:57:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:57:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:52,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-06 21:57:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:57:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-06 21:57:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-11-06 21:57:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:57:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:57:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-06 21:57:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:57:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-06 21:57:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-06 21:57:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-11-06 21:57:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-11-06 21:57:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:57:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 21:57:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-06 21:57:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-11-06 21:57:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-11-06 21:57:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-11-06 21:57:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:57:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:57:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:57:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-11-06 21:57:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2020-11-06 21:57:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 118 proven. 53 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2020-11-06 21:57:53,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055999232] [2020-11-06 21:57:53,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829596993] [2020-11-06 21:57:53,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:57:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:53,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 42 conjunts are in the unsatisfiable core [2020-11-06 21:57:53,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:57:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 233 proven. 46 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-11-06 21:57:54,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:57:54,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 28 [2020-11-06 21:57:54,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103157031] [2020-11-06 21:57:54,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-11-06 21:57:54,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:54,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-11-06 21:57:54,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2020-11-06 21:57:54,404 INFO L87 Difference]: Start difference. First operand 3298 states and 3713 transitions. Second operand 28 states. [2020-11-06 21:57:56,487 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-06 21:57:57,925 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:57:59,898 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:58:00,359 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:58:02,633 WARN L194 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:58:03,223 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:58:03,819 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:58:07,451 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 216 [2020-11-06 21:58:08,391 WARN L194 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:58:09,277 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:58:10,079 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-06 21:58:15,888 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-06 21:58:17,286 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 216 [2020-11-06 21:58:18,198 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-06 21:58:19,066 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-06 21:58:21,687 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-06 21:58:25,556 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-06 21:58:41,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:58:41,423 INFO L93 Difference]: Finished difference Result 16363 states and 23369 transitions. [2020-11-06 21:58:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2020-11-06 21:58:41,424 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 407 [2020-11-06 21:58:41,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:58:41,428 INFO L225 Difference]: With dead ends: 16363 [2020-11-06 21:58:41,429 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 21:58:41,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 839 GetRequests, 650 SyntacticMatches, 9 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13278 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=5478, Invalid=27464, Unknown=0, NotChecked=0, Total=32942 [2020-11-06 21:58:41,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 21:58:41,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 21:58:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 21:58:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 21:58:41,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 407 [2020-11-06 21:58:41,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:58:41,489 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 21:58:41,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-11-06 21:58:41,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 21:58:41,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 21:58:41,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-06 21:58:41,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 21:58:42,413 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-11-06 21:58:44,239 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-11-06 21:58:44,516 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-06 21:58:44,784 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-11-06 21:58:44,965 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-06 21:58:45,325 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 257 [2020-11-06 21:58:45,567 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-06 21:58:45,973 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 253 [2020-11-06 21:58:46,743 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-06 21:58:47,205 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-11-06 21:58:47,514 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-06 21:58:47,708 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-06 21:58:47,920 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 257 [2020-11-06 21:58:51,710 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-06 21:58:52,535 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-06 21:59:05,716 WARN L194 SmtUtils]: Spent 12.70 s on a formula simplification. DAG size of input: 1469 DAG size of output: 933 [2020-11-06 21:59:05,950 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-11-06 21:59:07,165 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-11-06 21:59:07,344 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-06 21:59:07,711 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2020-11-06 21:59:07,935 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 255 [2020-11-06 21:59:08,429 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-11-06 21:59:09,595 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-11-06 21:59:39,732 WARN L194 SmtUtils]: Spent 29.08 s on a formula simplification. DAG size of input: 1566 DAG size of output: 1013 [2020-11-06 21:59:40,854 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 21:59:41,802 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 21:59:42,899 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 21:59:43,774 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 21:59:44,442 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 21:59:44,869 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 21:59:45,126 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 21:59:45,606 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 255 [2020-11-06 21:59:46,612 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 255 [2020-11-06 21:59:47,563 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 21:59:47,841 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 21:59:48,011 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 257 [2020-11-06 21:59:48,814 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 21:59:49,022 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 21:59:49,187 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 21:59:50,029 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 21:59:57,562 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 21:59:58,105 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 219 [2020-11-06 21:59:58,208 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 219 [2020-11-06 21:59:58,818 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 21:59:59,136 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 22:00:00,625 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:00:00,820 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:00:01,587 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2020-11-06 22:00:04,172 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 22:00:04,522 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:00:05,040 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 22:00:05,702 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:00:06,400 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:00:06,739 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 22:00:06,976 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 220 [2020-11-06 22:00:07,853 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 22:00:08,014 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:00:08,906 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 22:00:09,200 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 257 [2020-11-06 22:00:09,568 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 257 [2020-11-06 22:00:10,512 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 259 [2020-11-06 22:00:10,704 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 259 [2020-11-06 22:00:10,910 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:00:12,347 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:00:13,779 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 22:00:15,374 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 255 [2020-11-06 22:00:15,596 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 22:00:16,196 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 257 [2020-11-06 22:00:16,327 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 257 [2020-11-06 22:00:16,443 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 257 [2020-11-06 22:00:16,606 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-06 22:00:17,599 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 255 [2020-11-06 22:00:18,477 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271 [2020-11-06 22:00:18,607 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 268 [2020-11-06 22:00:18,824 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 270 [2020-11-06 22:00:19,008 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-11-06 22:00:19,259 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-11-06 22:00:35,910 WARN L194 SmtUtils]: Spent 16.30 s on a formula simplification. DAG size of input: 1241 DAG size of output: 883 [2020-11-06 22:00:36,472 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:00:36,655 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:00:37,073 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:37,364 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:37,878 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:38,015 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:38,458 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:00:38,661 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:00:39,210 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:00:39,568 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:39,719 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-11-06 22:00:39,858 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:40,253 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:00:40,506 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:00:41,377 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:00:41,885 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:42,034 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:00:42,229 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:42,542 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:42,703 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:42,855 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:43,290 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:43,431 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:43,611 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:43,916 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:49,426 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:49,878 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:50,255 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:00:50,409 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:50,878 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:00:51,330 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:00:52,140 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:52,317 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:53,529 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:00:54,204 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2020-11-06 22:00:54,854 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:00:55,091 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:00:55,761 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:00:56,695 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-11-06 22:00:57,273 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:00:57,487 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-06 22:00:57,599 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:00:58,139 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:00:58,340 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-11-06 22:00:59,307 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 260 [2020-11-06 22:01:00,419 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:01:00,573 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:01:01,407 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:02,610 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:02,739 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:01:03,120 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:03,252 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-11-06 22:01:03,428 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:03,696 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:01:04,372 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-11-06 22:01:05,546 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-11-06 22:01:06,393 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:01:08,606 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:08,874 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:08,987 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:01:09,188 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2020-11-06 22:01:10,270 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-11-06 22:01:10,590 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:10,695 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-06 22:01:10,941 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:11,404 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 260 [2020-11-06 22:01:12,223 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:01:12,634 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:12,814 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:13,615 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:13,755 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:13,959 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:14,229 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:14,385 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:14,659 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:14,797 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:15,622 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:01:15,792 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:01:15,962 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:01:16,715 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:16,913 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:17,286 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:17,463 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:17,867 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:18,006 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:18,164 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:18,303 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:18,760 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:18,938 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:20,854 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:01:22,578 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:23,490 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:23,983 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:01:25,878 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-11-06 22:01:26,655 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:27,076 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-11-06 22:01:27,301 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:27,459 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:28,345 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:28,479 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:28,677 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:30,697 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:01:30,978 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:31,222 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:31,961 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:32,176 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:33,197 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-11-06 22:01:33,765 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-11-06 22:01:46,275 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:01:46,430 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-06 22:01:46,609 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-11-06 22:01:47,056 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2020-11-06 22:01:48,146 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-11-06 22:01:48,409 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-06 22:01:48,535 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-06 22:01:48,792 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-06 22:01:50,523 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-06 22:01:50,729 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-06 22:02:07,168 WARN L194 SmtUtils]: Spent 16.29 s on a formula simplification. DAG size of input: 1365 DAG size of output: 859 [2020-11-06 22:02:07,808 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-06 22:02:08,248 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-06 22:02:09,116 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271 [2020-11-06 22:02:09,220 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 268 [2020-11-06 22:02:09,407 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 270 [2020-11-06 22:02:09,564 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-11-06 22:02:09,732 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-11-06 22:02:12,489 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-06 22:02:12,878 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-06 22:02:16,400 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271 [2020-11-06 22:02:16,505 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 268 [2020-11-06 22:02:16,809 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 270 [2020-11-06 22:02:16,994 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-11-06 22:02:17,408 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-11-06 22:02:18,035 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-06 22:02:18,162 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-06 22:02:18,506 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-06 22:02:34,647 WARN L194 SmtUtils]: Spent 15.77 s on a formula simplification. DAG size of input: 1219 DAG size of output: 891 [2020-11-06 22:02:40,784 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:02:40,916 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:02:41,161 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:02:41,295 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:02:42,125 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:02:42,259 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:03:24,619 WARN L194 SmtUtils]: Spent 41.95 s on a formula simplification. DAG size of input: 1901 DAG size of output: 1356 [2020-11-06 22:03:25,915 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:03:26,190 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:03:26,973 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-11-06 22:03:27,459 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 254 [2020-11-06 22:03:28,164 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:03:28,670 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:03:29,509 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-11-06 22:03:29,856 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:30,427 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:03:31,228 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 22:03:31,640 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:31,964 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:32,329 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 254 [2020-11-06 22:03:33,963 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 254 [2020-11-06 22:03:34,269 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-11-06 22:03:34,618 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:03:34,786 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:03:35,022 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 256 [2020-11-06 22:03:35,910 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:36,074 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:36,240 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:36,686 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 252 [2020-11-06 22:03:36,854 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:03:41,440 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-11-06 22:03:43,845 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 253 [2020-11-06 22:03:44,390 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:45,076 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:03:45,444 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:03:46,252 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-11-06 22:03:47,309 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:47,598 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:50,955 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:03:51,086 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-11-06 22:03:51,416 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:51,795 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 22:03:52,636 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:53,522 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:03:53,954 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:03:54,825 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 22:03:55,030 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:03:55,955 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:03:56,235 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:03:56,370 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:03:57,304 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:03:57,524 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-11-06 22:03:58,037 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 255 [2020-11-06 22:03:58,280 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 255 [2020-11-06 22:03:59,380 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2020-11-06 22:04:00,973 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:04:02,165 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 254 [2020-11-06 22:04:02,638 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-11-06 22:04:02,901 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:04:03,057 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 256 [2020-11-06 22:04:03,201 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-06 22:04:03,369 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 253 [2020-11-06 22:04:08,104 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 310 DAG size of output: 48 [2020-11-06 22:04:10,673 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 278 DAG size of output: 31 [2020-11-06 22:04:11,201 WARN L194 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2020-11-06 22:04:14,784 WARN L194 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 327 DAG size of output: 65 [2020-11-06 22:04:16,276 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 246 DAG size of output: 39 [2020-11-06 22:04:16,663 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-06 22:04:17,023 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-06 22:04:17,833 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-06 22:04:18,193 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-06 22:04:18,584 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-11-06 22:04:20,092 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 39 [2020-11-06 22:04:20,608 WARN L194 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2020-11-06 22:04:22,114 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 238 DAG size of output: 35 [2020-11-06 22:04:33,879 WARN L194 SmtUtils]: Spent 11.75 s on a formula simplification. DAG size of input: 785 DAG size of output: 42 [2020-11-06 22:04:34,432 WARN L194 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 1 [2020-11-06 22:04:34,927 WARN L194 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 1 [2020-11-06 22:04:35,904 WARN L194 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 22 [2020-11-06 22:04:53,836 WARN L194 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 844 DAG size of output: 43 [2020-11-06 22:04:56,165 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 256 DAG size of output: 37 [2020-11-06 22:05:00,884 WARN L194 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 448 DAG size of output: 41 [2020-11-06 22:05:01,247 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 1 [2020-11-06 22:05:01,601 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 22:05:04,340 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 299 DAG size of output: 33 [2020-11-06 22:05:17,702 WARN L194 SmtUtils]: Spent 13.35 s on a formula simplification. DAG size of input: 751 DAG size of output: 45 [2020-11-06 22:05:25,051 WARN L194 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 513 DAG size of output: 65 [2020-11-06 22:05:25,577 WARN L194 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 1 [2020-11-06 22:05:27,248 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 498 DAG size of output: 1 [2020-11-06 22:05:32,560 WARN L194 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 415 DAG size of output: 48 [2020-11-06 22:05:33,591 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 171 DAG size of output: 22 [2020-11-06 22:05:33,967 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-06 22:05:34,361 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-06 22:05:39,153 WARN L194 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 308 DAG size of output: 47 [2020-11-06 22:05:41,311 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 250 DAG size of output: 36 [2020-11-06 22:05:48,225 WARN L194 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 501 DAG size of output: 56 [2020-11-06 22:06:00,759 WARN L194 SmtUtils]: Spent 12.52 s on a formula simplification. DAG size of input: 752 DAG size of output: 47 [2020-11-06 22:06:01,171 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-06 22:06:03,171 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 266 DAG size of output: 30 [2020-11-06 22:06:06,095 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 305 DAG size of output: 34 [2020-11-06 22:06:11,318 WARN L194 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 351 DAG size of output: 74 [2020-11-06 22:06:13,362 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 266 DAG size of output: 30 [2020-11-06 22:06:15,814 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 265 DAG size of output: 27 [2020-11-06 22:06:16,215 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-11-06 22:06:16,598 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 1 [2020-11-06 22:06:16,962 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-06 22:06:18,669 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 242 DAG size of output: 38 [2020-11-06 22:06:19,735 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2020-11-06 22:06:21,863 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 35 [2020-11-06 22:06:24,758 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 299 DAG size of output: 33 [2020-11-06 22:06:25,103 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 18 [2020-11-06 22:06:25,451 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 18 [2020-11-06 22:06:26,023 WARN L194 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2020-11-06 22:06:26,393 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-06 22:06:40,365 WARN L194 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 765 DAG size of output: 45 [2020-11-06 22:06:40,735 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-06 22:06:42,938 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 238 DAG size of output: 35 [2020-11-06 22:06:43,334 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 1 [2020-11-06 22:06:46,994 WARN L194 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 392 DAG size of output: 43 [2020-11-06 22:07:20,631 WARN L194 SmtUtils]: Spent 33.62 s on a formula simplification. DAG size of input: 1202 DAG size of output: 52 [2020-11-06 22:07:23,188 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 289 DAG size of output: 61 [2020-11-06 22:07:25,490 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 263 DAG size of output: 36 [2020-11-06 22:07:25,925 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-06 22:07:31,944 WARN L194 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 480 DAG size of output: 47 [2020-11-06 22:07:33,634 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 238 DAG size of output: 35 [2020-11-06 22:07:33,640 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:07:33,643 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:07:33,643 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:07:33,644 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:07:33,644 INFO L266 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-11-06 22:07:33,644 INFO L266 CegarLoopResult]: For program point L767-2(lines 767 788) no Hoare annotation was computed. [2020-11-06 22:07:33,644 INFO L266 CegarLoopResult]: For program point L789(lines 766 790) no Hoare annotation was computed. [2020-11-06 22:07:33,644 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 742 797) no Hoare annotation was computed. [2020-11-06 22:07:33,644 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 742 797) no Hoare annotation was computed. [2020-11-06 22:07:33,645 INFO L266 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-11-06 22:07:33,645 INFO L266 CegarLoopResult]: For program point L773-1(lines 773 777) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 742 797) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point L830-1(lines 830 834) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point L824-2(lines 824 849) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 798 857) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point L850(lines 823 851) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 798 857) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point L843-1(line 843) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 798 857) no Hoare annotation was computed. [2020-11-06 22:07:33,646 INFO L269 CegarLoopResult]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2020-11-06 22:07:33,647 INFO L266 CegarLoopResult]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2020-11-06 22:07:33,647 INFO L266 CegarLoopResult]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2020-11-06 22:07:33,647 INFO L269 CegarLoopResult]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2020-11-06 22:07:33,647 INFO L266 CegarLoopResult]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2020-11-06 22:07:33,647 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 46 53) 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 22:07:33,647 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 46 53) no Hoare annotation was computed. [2020-11-06 22:07:33,647 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 46 53) no Hoare annotation was computed. [2020-11-06 22:07:33,650 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 54 63) the Hoare annotation is: (let ((.cse10 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse9 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse2 .cse3 .cse4 (not (<= 2 ~waterLevel~0))) (or .cse7 .cse8 .cse3 .cse4 .cse6) (or (not (= ~waterLevel~0 1)) .cse1 .cse8 .cse5 .cse3) (or .cse9 .cse7 .cse8 .cse3 .cse4 .cse10) (or .cse0 .cse1 .cse5 .cse3 .cse10) (or .cse1 .cse8 .cse5 .cse3 (not (<= ~waterLevel~0 0))) (or .cse1 .cse8 .cse3 .cse5 .cse6) (or .cse9 .cse0 .cse7 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse8 .cse3 .cse4))) [2020-11-06 22:07:33,650 INFO L266 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-06 22:07:33,650 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 54 63) no Hoare annotation was computed. [2020-11-06 22:07:33,650 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 54 63) no Hoare annotation was computed. [2020-11-06 22:07:33,650 INFO L269 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 64 92) the Hoare annotation is: true [2020-11-06 22:07:33,651 INFO L262 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6) (or .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse7 .cse6) (or .cse5 .cse1 .cse2 .cse6) (or .cse4 .cse5 .cse2 .cse3) (or .cse5 .cse1 .cse7 .cse6) (or .cse0 .cse1 .cse2 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse4 .cse5 .cse7 .cse3) (or .cse5 .cse1 .cse7 .cse3))) [2020-11-06 22:07:33,651 INFO L266 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-06 22:07:33,651 INFO L266 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-11-06 22:07:33,651 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 64 92) no Hoare annotation was computed. [2020-11-06 22:07:33,651 INFO L262 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~pumpRunning~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 (not (<= ~waterLevel~0 0)) .cse2 .cse5) (or .cse4 .cse6 .cse7 .cse2 .cse8) (or .cse7 .cse1 .cse2 .cse3) (or .cse4 .cse7 .cse1 .cse2 .cse8) (or .cse4 .cse6 .cse7 .cse9 .cse8) (or .cse0 .cse4 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse5) (or .cse4 .cse7 (not (<= ~waterLevel~0 2)) .cse1 .cse9) (or .cse6 .cse7 .cse2 .cse3) (or .cse6 .cse7 .cse9 .cse3) (or .cse7 .cse1 .cse9 .cse3))) [2020-11-06 22:07:33,651 INFO L266 CegarLoopResult]: For program point L74-1(line 74) no Hoare annotation was computed. [2020-11-06 22:07:33,651 INFO L266 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-11-06 22:07:33,652 INFO L266 CegarLoopResult]: For program point L72-1(lines 64 92) no Hoare annotation was computed. [2020-11-06 22:07:33,652 INFO L269 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: true [2020-11-06 22:07:33,652 INFO L266 CegarLoopResult]: For program point L70-1(line 70) no Hoare annotation was computed. [2020-11-06 22:07:33,653 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 622 644) 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 22:07:33,653 INFO L262 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~8 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 22:07:33,653 INFO L262 CegarLoopResult]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~8 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 22:07:33,653 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2020-11-06 22:07:33,653 INFO L266 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-11-06 22:07:33,653 INFO L266 CegarLoopResult]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2020-11-06 22:07:33,653 INFO L266 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-11-06 22:07:33,653 INFO L262 CegarLoopResult]: At program point L629(line 629) 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 22:07:33,653 INFO L262 CegarLoopResult]: At program point L628(line 628) 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 22:07:33,653 INFO L262 CegarLoopResult]: At program point L628-1(line 628) 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 22:07:33,654 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2020-11-06 22:07:33,654 INFO L266 CegarLoopResult]: For program point Specification2EXIT(lines 577 600) no Hoare annotation was computed. [2020-11-06 22:07:33,654 INFO L266 CegarLoopResult]: For program point Specification2ENTRY(lines 577 600) no Hoare annotation was computed. [2020-11-06 22:07:33,654 INFO L266 CegarLoopResult]: For program point Specification2FINAL(lines 577 600) no Hoare annotation was computed. [2020-11-06 22:07:33,654 INFO L266 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-11-06 22:07:33,654 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:07:33,654 INFO L266 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-06 22:07:33,654 INFO L266 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-11-06 22:07:33,655 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:07:33,655 INFO L266 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-06 22:07:33,655 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 22:07:33,655 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:07:33,655 INFO L266 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-06 22:07:33,655 INFO L266 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-11-06 22:07:33,655 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:07:33,656 INFO L266 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-06 22:07:33,656 INFO L266 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-11-06 22:07:33,656 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:07:33,656 INFO L262 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse3) (or .cse2 .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-11-06 22:07:33,657 INFO L262 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse3) (or .cse2 .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-11-06 22:07:33,657 INFO L266 CegarLoopResult]: For program point L249(lines 249 257) no Hoare annotation was computed. [2020-11-06 22:07:33,657 INFO L262 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse3) (or .cse2 .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-11-06 22:07:33,657 INFO L266 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-11-06 22:07:33,657 INFO L266 CegarLoopResult]: For program point L245(lines 245 262) no Hoare annotation was computed. [2020-11-06 22:07:33,657 INFO L262 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 241 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.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 (not (<= ~waterLevel~0 1))) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1 .cse2 .cse4))) [2020-11-06 22:07:33,657 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 241 265) no Hoare annotation was computed. [2020-11-06 22:07:33,658 INFO L262 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse5 .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse5 .cse6))) [2020-11-06 22:07:33,658 INFO L266 CegarLoopResult]: For program point L260-1(lines 241 265) no Hoare annotation was computed. [2020-11-06 22:07:33,658 INFO L266 CegarLoopResult]: For program point stopSystemEXIT(lines 419 433) no Hoare annotation was computed. [2020-11-06 22:07:33,658 INFO L262 CegarLoopResult]: At program point L425(line 425) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse6 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6 (not (<= ~waterLevel~0 1))) (or .cse7 .cse0 .cse2) (or .cse7 .cse3 .cse4 .cse5 .cse0 .cse6) (or .cse7 .cse3 .cse4 .cse6 .cse8) (or .cse3 .cse4 .cse1 .cse8 .cse6))) [2020-11-06 22:07:33,658 INFO L266 CegarLoopResult]: For program point L423(lines 423 429) no Hoare annotation was computed. [2020-11-06 22:07:33,658 INFO L262 CegarLoopResult]: At program point stopSystemENTRY(lines 419 433) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= |old(~systemActive~0)| 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse6) (or .cse7 .cse8 .cse9 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse8 .cse9 .cse4 .cse2) (or .cse0 .cse7 .cse8 .cse2 .cse3) (or .cse7 .cse8 .cse5 .cse3 .cse2))) [2020-11-06 22:07:33,658 INFO L266 CegarLoopResult]: For program point stopSystemFINAL(lines 419 433) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point isPumpRunningEXIT(lines 336 344) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L269 CegarLoopResult]: At program point isPumpRunningENTRY(lines 336 344) the Hoare annotation is: true [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point isPumpRunningFINAL(lines 336 344) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L269 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 400 418) the Hoare annotation is: true [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L269 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: true [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point L409-2(lines 409 413) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point L407-1(line 407) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 400 418) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 400 418) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point L352(lines 352 360) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point L352-2(lines 352 360) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-11-06 22:07:33,659 INFO L266 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point printPumpFINAL(lines 345 380) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point printPumpENTRY(lines 345 380) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point printPumpEXIT(lines 345 380) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L269 CegarLoopResult]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 696 741) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 696 741) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 696 741) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point L1023(lines 1023 1043) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point L1023-1(lines 1023 1043) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1009 1054) no Hoare annotation was computed. [2020-11-06 22:07:33,660 INFO L266 CegarLoopResult]: For program point L1040(lines 1040 1041) no Hoare annotation was computed. [2020-11-06 22:07:33,661 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 1033 1034) no Hoare annotation was computed. [2020-11-06 22:07:33,661 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 1040 1041) no Hoare annotation was computed. [2020-11-06 22:07:33,661 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1009 1054) no Hoare annotation was computed. [2020-11-06 22:07:33,661 INFO L266 CegarLoopResult]: For program point L1033(lines 1033 1034) no Hoare annotation was computed. [2020-11-06 22:07:33,661 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1009 1054) no Hoare annotation was computed. [2020-11-06 22:07:33,661 INFO L266 CegarLoopResult]: For program point L1029(lines 1029 1036) no Hoare annotation was computed. [2020-11-06 22:07:33,661 INFO L262 CegarLoopResult]: At program point runTestENTRY(lines 608 618) 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 22:07:33,661 INFO L266 CegarLoopResult]: For program point runTestEXIT(lines 608 618) no Hoare annotation was computed. [2020-11-06 22:07:33,662 INFO L266 CegarLoopResult]: For program point runTestFINAL(lines 608 618) no Hoare annotation was computed. [2020-11-06 22:07:33,662 INFO L262 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 22:07:33,662 INFO L269 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 325 335) the Hoare annotation is: true [2020-11-06 22:07:33,662 INFO L266 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 325 335) no Hoare annotation was computed. [2020-11-06 22:07:33,662 INFO L269 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: true [2020-11-06 22:07:33,662 INFO L266 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-11-06 22:07:33,662 INFO L266 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 325 335) no Hoare annotation was computed. [2020-11-06 22:07:33,663 INFO L262 CegarLoopResult]: At program point deactivatePumpENTRY(lines 317 324) the Hoare annotation is: (let ((.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~waterLevel~0 2)) .cse3 .cse2) (or .cse0 .cse6 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1))) (or .cse5 .cse0 .cse2 .cse3 .cse4))) [2020-11-06 22:07:33,663 INFO L266 CegarLoopResult]: For program point deactivatePumpEXIT(lines 317 324) no Hoare annotation was computed. [2020-11-06 22:07:33,663 INFO L266 CegarLoopResult]: For program point deactivatePumpFINAL(lines 317 324) no Hoare annotation was computed. [2020-11-06 22:07:33,663 INFO L266 CegarLoopResult]: For program point L526(lines 526 532) no Hoare annotation was computed. [2020-11-06 22:07:33,663 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 522 535) no Hoare annotation was computed. [2020-11-06 22:07:33,663 INFO L269 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 522 535) the Hoare annotation is: true [2020-11-06 22:07:33,663 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 522 535) no Hoare annotation was computed. [2020-11-06 22:07:33,663 INFO L262 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse3 .cse7 .cse8) (or .cse0 .cse6 .cse3 .cse7 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse8))) [2020-11-06 22:07:33,664 INFO L266 CegarLoopResult]: For program point L286-1(lines 267 291) no Hoare annotation was computed. [2020-11-06 22:07:33,664 INFO L262 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= ~waterLevel~0 2)) .cse3 .cse5) (or .cse1 .cse2 (and (= 0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse6 .cse3 .cse4) (or .cse6 .cse3 .cse5 .cse4) (or .cse6 .cse3 .cse5 (not (= 2 ~waterLevel~0))))) [2020-11-06 22:07:33,664 INFO L266 CegarLoopResult]: For program point processEnvironmentEXIT(lines 267 291) no Hoare annotation was computed. [2020-11-06 22:07:33,664 INFO L262 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 (not (<= ~waterLevel~0 2)) .cse3 .cse6) (or .cse5 .cse3 .cse6 .cse4) (or .cse5 .cse3 .cse6 (not (= 2 ~waterLevel~0))))) [2020-11-06 22:07:33,664 INFO L262 CegarLoopResult]: At program point processEnvironmentENTRY(lines 267 291) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse6 .cse3 .cse4 .cse8) (or .cse0 .cse7 .cse3 .cse4 .cse8))) [2020-11-06 22:07:33,665 INFO L266 CegarLoopResult]: For program point L275(lines 275 283) no Hoare annotation was computed. [2020-11-06 22:07:33,665 INFO L262 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse7 .cse1 .cse2 .cse6) (or .cse3 .cse4 .cse7 .cse5 .cse1 .cse6) (or .cse7 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-11-06 22:07:33,665 INFO L266 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-11-06 22:07:33,665 INFO L266 CegarLoopResult]: For program point L271(lines 271 288) no Hoare annotation was computed. [2020-11-06 22:07:33,665 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 207 213) no Hoare annotation was computed. [2020-11-06 22:07:33,665 INFO L269 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 207 213) the Hoare annotation is: true [2020-11-06 22:07:33,665 INFO L266 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2020-11-06 22:07:33,665 INFO L262 CegarLoopResult]: At program point testENTRY(lines 100 167) 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 22:07:33,666 INFO L262 CegarLoopResult]: At program point L157(lines 110 159) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse7 (<= ~waterLevel~0 1) .cse5 .cse0 .cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse5 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse1 .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse6 .cse4))) [2020-11-06 22:07:33,666 INFO L262 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse7 (<= ~waterLevel~0 1) .cse5 .cse0 .cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse5 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse1 .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse6 .cse4))) [2020-11-06 22:07:33,666 INFO L266 CegarLoopResult]: For program point L120(lines 120 126) no Hoare annotation was computed. [2020-11-06 22:07:33,666 INFO L266 CegarLoopResult]: For program point L120-1(lines 120 126) no Hoare annotation was computed. [2020-11-06 22:07:33,666 INFO L266 CegarLoopResult]: For program point testFINAL(lines 100 167) no Hoare annotation was computed. [2020-11-06 22:07:33,666 INFO L266 CegarLoopResult]: For program point L112(lines 112 116) no Hoare annotation was computed. [2020-11-06 22:07:33,666 INFO L262 CegarLoopResult]: At program point L160(lines 109 161) 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 22:07:33,667 INFO L262 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse7) (and .cse1 .cse4 .cse5 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse5 .cse6 .cse3 .cse7))) [2020-11-06 22:07:33,667 INFO L266 CegarLoopResult]: For program point L148(lines 148 154) no Hoare annotation was computed. [2020-11-06 22:07:33,667 INFO L262 CegarLoopResult]: At program point L148-1(lines 140 155) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= 2 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4 .cse6) (not (= |old(~pumpRunning~0)| 0)) (and .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse8 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse9 .cse1 .cse8 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse8 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse7 .cse8 .cse2 .cse4) (and .cse1 .cse8 (<= ~waterLevel~0 0) .cse3 .cse4) (and .cse0 .cse9 .cse1 .cse5 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-11-06 22:07:33,667 INFO L266 CegarLoopResult]: For program point L111(lines 110 159) no Hoare annotation was computed. [2020-11-06 22:07:33,668 INFO L262 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse3) (and .cse1 .cse6 .cse7 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse8) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse7 .cse5 .cse3) (and .cse0 .cse2 .cse4 .cse5 .cse3 .cse8))) [2020-11-06 22:07:33,668 INFO L266 CegarLoopResult]: For program point L140(lines 140 155) no Hoare annotation was computed. [2020-11-06 22:07:33,668 INFO L262 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse2 .cse6 .cse3 .cse7 .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse1 .cse4) (and .cse2 .cse6 .cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse3 .cse7 .cse4))) [2020-11-06 22:07:33,668 INFO L266 CegarLoopResult]: For program point testEXIT(lines 100 167) no Hoare annotation was computed. [2020-11-06 22:07:33,668 INFO L266 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-11-06 22:07:33,668 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 987 988) no Hoare annotation was computed. [2020-11-06 22:07:33,668 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 994 995) no Hoare annotation was computed. [2020-11-06 22:07:33,668 INFO L266 CegarLoopResult]: For program point L987(lines 987 988) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L266 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 963 1008) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L266 CegarLoopResult]: For program point L983(lines 983 990) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L266 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 963 1008) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L266 CegarLoopResult]: For program point L977(lines 977 997) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L266 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 963 1008) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L266 CegarLoopResult]: For program point L977-1(lines 977 997) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L266 CegarLoopResult]: For program point L994(lines 994 995) no Hoare annotation was computed. [2020-11-06 22:07:33,669 INFO L262 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 292 299) 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 22:07:33,669 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 292 299) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 292 299) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 536 544) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L269 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 536 544) the Hoare annotation is: true [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 536 544) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point printEnvironmentEXIT(lines 490 512) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point printEnvironmentENTRY(lines 490 512) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point printEnvironmentFINAL(lines 490 512) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point L498(lines 498 506) no Hoare annotation was computed. [2020-11-06 22:07:33,670 INFO L266 CegarLoopResult]: For program point select_oneENTRY(lines 656 665) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point select_oneFINAL(lines 656 665) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point select_oneEXIT(lines 656 665) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 860 962) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point L925(line 925) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point L925-1(line 925) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point L948(lines 948 959) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point L909-2(lines 909 929) no Hoare annotation was computed. [2020-11-06 22:07:33,671 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 860 962) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point L930(lines 908 931) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point L889(lines 889 905) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point L949(lines 949 956) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 860 962) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point L910(lines 909 929) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point L941-1(line 941) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point L906(lines 906 947) no Hoare annotation was computed. [2020-11-06 22:07:33,672 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:07:33,673 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string80.base| |old(#t~string80.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string80.offset| |old(#t~string80.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string81.base| |old(#t~string81.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string81.offset| |old(#t~string81.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-11-06 22:07:33,673 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:07:33,673 INFO L262 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2020-11-06 22:07:33,673 INFO L266 CegarLoopResult]: For program point L305-1(line 305) no Hoare annotation was computed. [2020-11-06 22:07:33,673 INFO L266 CegarLoopResult]: For program point activatePumpEXIT(lines 300 316) no Hoare annotation was computed. [2020-11-06 22:07:33,674 INFO L262 CegarLoopResult]: At program point activatePumpENTRY(lines 300 316) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2020-11-06 22:07:33,674 INFO L262 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2))) [2020-11-06 22:07:33,674 INFO L266 CegarLoopResult]: For program point L311-1(lines 300 316) no Hoare annotation was computed. [2020-11-06 22:07:33,674 INFO L266 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-11-06 22:07:33,674 INFO L269 CegarLoopResult]: At program point getWaterLevelENTRY(lines 513 521) the Hoare annotation is: true [2020-11-06 22:07:33,674 INFO L266 CegarLoopResult]: For program point getWaterLevelFINAL(lines 513 521) no Hoare annotation was computed. [2020-11-06 22:07:33,674 INFO L266 CegarLoopResult]: For program point getWaterLevelEXIT(lines 513 521) no Hoare annotation was computed. [2020-11-06 22:07:33,674 INFO L266 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 381 399) no Hoare annotation was computed. [2020-11-06 22:07:33,674 INFO L266 CegarLoopResult]: For program point L390(lines 390 394) no Hoare annotation was computed. [2020-11-06 22:07:33,674 INFO L269 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 381 399) the Hoare annotation is: true [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 381 399) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L269 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point L390-2(lines 390 394) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L262 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 469 480) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse2 .cse6 .cse4) (or .cse0 .cse7 .cse2 .cse3 .cse4) (or .cse8 .cse7 .cse2 .cse4 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse7 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse5 .cse3 .cse4) (or .cse8 .cse7 .cse2 .cse3 .cse4))) [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point L473-1(lines 469 480) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 469 480) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:07:33,675 INFO L262 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse11 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse8 .cse9)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse7 (and (= 2 ~waterLevel~0) .cse8 .cse9) .cse10 .cse6) (or .cse7 .cse11 .cse0 .cse10 .cse6) (or .cse5 .cse1 .cse10 .cse3) (or .cse0 .cse1 .cse10 .cse3) (or .cse4 .cse0 .cse6 .cse3) (or .cse11 .cse12 .cse7 .cse0 .cse2 .cse6) (or .cse4 .cse5 .cse12 .cse11 .cse7 .cse6) (or .cse5 .cse1 .cse2 .cse3)))) [2020-11-06 22:07:33,676 INFO L266 CegarLoopResult]: For program point L187(lines 183 205) no Hoare annotation was computed. [2020-11-06 22:07:33,676 INFO L266 CegarLoopResult]: For program point L185(lines 183 205) no Hoare annotation was computed. [2020-11-06 22:07:33,676 INFO L262 CegarLoopResult]: At program point timeShiftENTRY(lines 180 206) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse9 .cse10)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse8 .cse6 .cse2 .cse3) (or .cse8 .cse5 .cse2 .cse4 (not (<= |old(~waterLevel~0)| 0))) (or (and (= 2 ~waterLevel~0) .cse9 .cse10) .cse8 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse11 .cse7 .cse2 .cse3) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse7 .cse2 .cse3) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse5 .cse2 .cse4) (or .cse11 .cse7 .cse8 .cse2 .cse12 .cse3) (or .cse1 .cse5 .cse12 .cse2 .cse4)))) [2020-11-06 22:07:33,676 INFO L266 CegarLoopResult]: For program point timeShiftEXIT(lines 180 206) no Hoare annotation was computed. [2020-11-06 22:07:33,676 INFO L266 CegarLoopResult]: For program point timeShiftFINAL(lines 180 206) no Hoare annotation was computed. [2020-11-06 22:07:33,676 INFO L262 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (let ((.cse17 (+ ~waterLevel~0 1))) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= .cse17 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse8 (and .cse15 .cse10 (<= |old(~waterLevel~0)| .cse17) .cse16)) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (and .cse9 .cse10 (<= ~waterLevel~0 0) .cse16)) (.cse13 (and .cse15 .cse10 (= ~waterLevel~0 0) .cse16)) (.cse14 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or (and .cse9 .cse10) .cse11 .cse4 .cse7 .cse3) (or .cse4 .cse1 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse12 .cse13 .cse14 .cse5 .cse2 .cse7) (or .cse5 .cse0 .cse6 .cse7 .cse8) (or .cse11 .cse0 .cse7 .cse3 (and .cse9 (= ~pumpRunning~0 0))) (or .cse12 .cse13 .cse14 .cse5 .cse0 .cse2 .cse7) (or .cse4 .cse1 .cse2 .cse3))))) [2020-11-06 22:07:33,677 INFO L262 CegarLoopResult]: At program point L194(lines 194 200) the Hoare annotation is: (let ((.cse10 (+ ~waterLevel~0 1))) (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse24 (<= 2 ~waterLevel~0)) (.cse25 (<= ~waterLevel~0 2)) (.cse1 (<= .cse10 |old(~waterLevel~0)|)) (.cse18 (= ~waterLevel~0 0)) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse16 (<= ~waterLevel~0 0))) (let ((.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse17 (and .cse0 .cse15 .cse2 .cse16)) (.cse19 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse20 (and .cse0 .cse1 .cse2 .cse18)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse23 (and .cse8 .cse24 .cse25)) (.cse7 (not (= 1 ~systemActive~0))) (.cse21 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse22 (not (= 0 ~systemActive~0))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (and .cse15 .cse2))) (and (let ((.cse3 (<= |old(~waterLevel~0)| .cse10))) (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse7 (and .cse1 .cse8 .cse3 .cse9))) (or .cse5 .cse11 .cse7 .cse12 .cse13) (or .cse14 .cse4 (and (= ~waterLevel~0 1) .cse0 .cse2) .cse6 .cse7) (or (and .cse15 .cse8) .cse14 .cse11 .cse7 .cse12) (or (and .cse15 .cse8 .cse16 .cse9) .cse17 (and .cse1 .cse8 .cse18 .cse9) .cse19 .cse4 .cse5 .cse11 .cse7 .cse20) (or .cse14 .cse17 .cse19 .cse4 .cse11 .cse7 .cse20) (or .cse21 .cse5 .cse22 .cse12 .cse13) (or .cse14 .cse6 .cse23 .cse7 .cse12) (or .cse5 .cse6 .cse23 .cse7 .cse12 (and (<= 1 ~pumpRunning~0) .cse24 .cse25)) (or .cse21 .cse14 .cse22 .cse12 .cse13))))) [2020-11-06 22:07:33,677 INFO L266 CegarLoopResult]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2020-11-06 22:07:33,677 INFO L269 CegarLoopResult]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2020-11-06 22:07:33,677 INFO L269 CegarLoopResult]: At program point L572(lines 547 576) the Hoare annotation is: true [2020-11-06 22:07:33,677 INFO L266 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-11-06 22:07:33,677 INFO L266 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-11-06 22:07:33,678 INFO L269 CegarLoopResult]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2020-11-06 22:07:33,678 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:07:33,678 INFO L269 CegarLoopResult]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2020-11-06 22:07:33,678 INFO L269 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: true [2020-11-06 22:07:33,678 INFO L266 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-11-06 22:07:33,678 INFO L269 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 481 489) the Hoare annotation is: true [2020-11-06 22:07:33,678 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 481 489) no Hoare annotation was computed. [2020-11-06 22:07:33,678 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 481 489) no Hoare annotation was computed. [2020-11-06 22:07:33,679 INFO L266 CegarLoopResult]: For program point L449-1(lines 445 456) no Hoare annotation was computed. [2020-11-06 22:07:33,679 INFO L262 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 445 456) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4))) [2020-11-06 22:07:33,679 INFO L266 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 445 456) no Hoare annotation was computed. [2020-11-06 22:07:33,679 INFO L266 CegarLoopResult]: For program point setupEXIT(lines 601 607) no Hoare annotation was computed. [2020-11-06 22:07:33,679 INFO L269 CegarLoopResult]: At program point setupFINAL(lines 601 607) the Hoare annotation is: true [2020-11-06 22:07:33,679 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:07:33,679 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 22:07:33,680 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:07:33,680 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:07:33,680 INFO L266 CegarLoopResult]: For program point startSystemEXIT(lines 434 441) no Hoare annotation was computed. [2020-11-06 22:07:33,680 INFO L262 CegarLoopResult]: At program point startSystemENTRY(lines 434 441) the Hoare annotation is: (let ((.cse4 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse8 (not (= ~pumpRunning~0 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6 .cse7) (or .cse0 .cse2 .cse8 .cse6) (or .cse0 .cse1 .cse3 .cse5 (not (<= ~waterLevel~0 1)) .cse7) (or .cse0 .cse8 .cse6 .cse5))) [2020-11-06 22:07:33,680 INFO L266 CegarLoopResult]: For program point startSystemFINAL(lines 434 441) no Hoare annotation was computed. [2020-11-06 22:07:33,680 INFO L262 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= 2 ~waterLevel~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse1 .cse3 (and .cse4 .cse5)) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 .cse5 .cse1 .cse3 (not .cse4)))) [2020-11-06 22:07:33,681 INFO L262 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 215 239) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.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 (not (<= ~waterLevel~0 1))) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1 .cse2 .cse4))) [2020-11-06 22:07:33,681 INFO L266 CegarLoopResult]: For program point L223(lines 223 231) no Hoare annotation was computed. [2020-11-06 22:07:33,681 INFO L262 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse5 .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse5 .cse6))) [2020-11-06 22:07:33,681 INFO L266 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-11-06 22:07:33,681 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 215 239) no Hoare annotation was computed. [2020-11-06 22:07:33,681 INFO L266 CegarLoopResult]: For program point L219(lines 219 236) no Hoare annotation was computed. [2020-11-06 22:07:33,681 INFO L262 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse3) (or .cse2 .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-11-06 22:07:33,682 INFO L266 CegarLoopResult]: For program point L234-1(lines 215 239) no Hoare annotation was computed. [2020-11-06 22:07:33,682 INFO L262 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse5 .cse2) (or .cse3 .cse4 .cse1 .cse5 (not (= 2 ~waterLevel~0))) (or .cse3 (not (<= ~waterLevel~0 2)) .cse0 .cse1 .cse5))) [2020-11-06 22:07:33,682 INFO L266 CegarLoopResult]: For program point waterRiseEXIT(lines 457 468) no Hoare annotation was computed. [2020-11-06 22:07:33,682 INFO L266 CegarLoopResult]: For program point L461-1(lines 457 468) no Hoare annotation was computed. [2020-11-06 22:07:33,682 INFO L262 CegarLoopResult]: At program point waterRiseENTRY(lines 457 468) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (= 2 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1)))) (and (or (not (<= |old(~waterLevel~0)| 2)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse4 .cse5) (or .cse7 .cse0 .cse2 .cse8 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse0 .cse2 .cse5 .cse9) (or .cse10 .cse1 .cse2 .cse8 .cse5) (or .cse7 .cse0 .cse2 .cse5 (not (<= |old(~waterLevel~0)| 0)) .cse9) (or .cse6 .cse10 .cse1 .cse3 .cse8) (or .cse6 .cse10 .cse1 .cse8 .cse5) (or .cse6 .cse0 .cse1 .cse3 .cse4))) [2020-11-06 22:07:33,683 INFO L266 CegarLoopResult]: For program point __automaton_failFINAL(lines 646 653) no Hoare annotation was computed. [2020-11-06 22:07:33,683 INFO L266 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-11-06 22:07:33,683 INFO L269 CegarLoopResult]: At program point __automaton_failENTRY(lines 646 653) the Hoare annotation is: true [2020-11-06 22:07:33,683 INFO L266 CegarLoopResult]: For program point __automaton_failEXIT(lines 646 653) no Hoare annotation was computed. [2020-11-06 22:07:33,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:33 BoogieIcfgContainer [2020-11-06 22:07:33,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:07:33,725 INFO L168 Benchmark]: Toolchain (without parser) took 753779.96 ms. Allocated memory was 151.0 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 125.0 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2020-11-06 22:07:33,725 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:07:33,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.03 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 101.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:07:33,726 INFO L168 Benchmark]: Boogie Preprocessor took 168.96 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 131.7 MB in the end (delta: -30.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:07:33,726 INFO L168 Benchmark]: RCFGBuilder took 1327.62 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 121.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:07:33,726 INFO L168 Benchmark]: TraceAbstraction took 751553.96 ms. Allocated memory was 151.0 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 121.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2020-11-06 22:07:33,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 713.03 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 101.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 168.96 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 131.7 MB in the end (delta: -30.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1327.62 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 121.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 751553.96 ms. Allocated memory was 151.0 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 121.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.1 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: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 987]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1033]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1040]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && waterLevel <= 2) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && 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)) || ((((0 == systemActive && pumpRunning == 0) && waterLevel <= \old(waterLevel) + 1) && 1 <= methaneLevelCritical) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 284 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 219.4s, OverallIterations: 16, TraceHistogramMax: 9, AutomataDifference: 189.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 531.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4014 SDtfs, 13354 SDslu, 10974 SDs, 0 SdLazy, 45807 SolverSat, 16319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4505 GetRequests, 3782 SyntacticMatches, 26 SemanticMatches, 697 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23696 ImplicationChecksByTransitivity, 90.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5294occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 7593 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 78 LocationsWithAnnotation, 19564 PreInvPairs, 25331 NumberOfFragments, 5590 HoareAnnotationTreeSize, 19564 FomulaSimplifications, 700090781807 FormulaSimplificationTreeSizeReduction, 322.6s HoareSimplificationTime, 78 FomulaSimplificationsInter, 2933349498 FormulaSimplificationTreeSizeReductionInter, 207.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 5874 NumberOfCodeBlocks, 5874 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5851 ConstructedInterpolants, 0 QuantifiedInterpolants, 3810179 SizeOfPredicates, 30 NumberOfNonLiveVariables, 10001 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 5211/5545 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...