java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:37:07,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:37:07,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:37:07,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:37:07,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:37:07,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:37:07,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:37:07,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:37:07,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:37:07,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:37:07,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:37:07,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:37:07,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:37:07,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:37:07,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:37:07,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:37:07,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:37:07,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:37:07,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:37:07,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:37:07,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:37:07,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:37:07,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:37:07,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:37:07,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:37:07,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:37:07,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:37:07,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:37:07,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:37:07,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:37:07,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:37:07,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:37:07,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:37:07,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:37:07,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:37:07,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:37:07,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:37:07,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:37:07,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:37:07,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:37:07,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:37:07,186 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 [2019-10-13 19:37:07,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:37:07,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:37:07,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:37:07,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:37:07,205 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:37:07,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:37:07,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:37:07,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:37:07,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:37:07,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:37:07,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:37:07,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:37:07,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:37:07,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:37:07,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:37:07,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:37:07,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:37:07,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:37:07,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:37:07,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:37:07,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:37:07,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:37:07,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:37:07,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:37:07,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:37:07,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:37:07,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:37:07,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:37:07,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:37:07,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:37:07,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:37:07,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:37:07,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:37:07,561 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:37:07,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-10-13 19:37:07,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c48dbdb4/64b6029add0541aa918d538fca8096f5/FLAG6917cfbaf [2019-10-13 19:37:08,129 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:37:08,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-10-13 19:37:08,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c48dbdb4/64b6029add0541aa918d538fca8096f5/FLAG6917cfbaf [2019-10-13 19:37:08,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c48dbdb4/64b6029add0541aa918d538fca8096f5 [2019-10-13 19:37:08,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:37:08,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:37:08,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:37:08,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:37:08,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:37:08,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:37:08" (1/1) ... [2019-10-13 19:37:08,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:08, skipping insertion in model container [2019-10-13 19:37:08,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:37:08" (1/1) ... [2019-10-13 19:37:08,521 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:37:08,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:37:09,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:37:09,099 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:37:09,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:37:09,243 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:37:09,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09 WrapperNode [2019-10-13 19:37:09,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:37:09,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:37:09,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:37:09,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:37:09,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (1/1) ... [2019-10-13 19:37:09,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (1/1) ... [2019-10-13 19:37:09,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (1/1) ... [2019-10-13 19:37:09,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (1/1) ... [2019-10-13 19:37:09,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (1/1) ... [2019-10-13 19:37:09,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (1/1) ... [2019-10-13 19:37:09,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (1/1) ... [2019-10-13 19:37:09,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:37:09,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:37:09,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:37:09,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:37:09,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (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 [2019-10-13 19:37:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:37:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:37:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:37:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:37:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:37:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:37:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:37:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:37:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:37:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:37:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:37:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:37:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:37:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:37:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:37:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:37:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 19:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:37:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:37:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 19:37:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 19:37:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 19:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:37:09,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:37:09,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:37:09,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:37:09,406 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:37:09,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:37:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:37:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:37:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:37:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:37:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:37:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:37:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:37:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:37:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:37:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:37:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:37:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:37:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:37:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:37:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:37:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:37:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:37:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:37:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:37:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:37:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:37:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:37:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:37:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:37:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:37:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:37:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:37:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:37:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:37:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:37:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:37:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 19:37:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:37:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:37:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:37:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:37:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:37:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:37:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:37:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:37:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:37:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:37:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:37:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:37:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 19:37:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 19:37:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:37:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 19:37:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:37:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:37:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:37:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:37:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:37:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:37:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:37:10,675 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:37:10,676 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:37:10,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:37:10 BoogieIcfgContainer [2019-10-13 19:37:10,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:37:10,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:37:10,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:37:10,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:37:10,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:37:08" (1/3) ... [2019-10-13 19:37:10,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8479eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:37:10, skipping insertion in model container [2019-10-13 19:37:10,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:09" (2/3) ... [2019-10-13 19:37:10,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8479eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:37:10, skipping insertion in model container [2019-10-13 19:37:10,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:37:10" (3/3) ... [2019-10-13 19:37:10,688 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2019-10-13 19:37:10,698 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:37:10,709 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:37:10,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:37:10,748 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:37:10,749 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:37:10,749 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:37:10,749 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:37:10,749 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:37:10,749 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:37:10,750 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:37:10,750 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:37:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2019-10-13 19:37:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 19:37:10,784 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:10,785 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:10,787 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:10,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:10,793 INFO L82 PathProgramCache]: Analyzing trace with hash -453171886, now seen corresponding path program 1 times [2019-10-13 19:37:10,802 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:10,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150653824] [2019-10-13 19:37:10,803 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:10,803 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:10,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,512 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:11,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150653824] [2019-10-13 19:37:11,600 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:11,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:37:11,601 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516780956] [2019-10-13 19:37:11,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:37:11,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:11,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:37:11,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:37:11,629 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 4 states. [2019-10-13 19:37:13,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:13,033 INFO L93 Difference]: Finished difference Result 353 states and 461 transitions. [2019-10-13 19:37:13,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 19:37:13,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-10-13 19:37:13,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:13,051 INFO L225 Difference]: With dead ends: 353 [2019-10-13 19:37:13,052 INFO L226 Difference]: Without dead ends: 196 [2019-10-13 19:37:13,057 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:37:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-10-13 19:37:13,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 158. [2019-10-13 19:37:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-13 19:37:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2019-10-13 19:37:13,177 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2019-10-13 19:37:13,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:13,178 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2019-10-13 19:37:13,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:37:13,178 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2019-10-13 19:37:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:37:13,182 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:13,182 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:13,182 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash 23130160, now seen corresponding path program 1 times [2019-10-13 19:37:13,183 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:13,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014293580] [2019-10-13 19:37:13,183 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:13,184 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:13,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,525 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:13,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014293580] [2019-10-13 19:37:13,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:13,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 19:37:13,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80816046] [2019-10-13 19:37:13,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 19:37:13,622 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:13,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 19:37:13,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:37:13,629 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 5 states. [2019-10-13 19:37:14,155 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:15,327 INFO L93 Difference]: Finished difference Result 288 states and 360 transitions. [2019-10-13 19:37:15,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 19:37:15,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-10-13 19:37:15,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:15,331 INFO L225 Difference]: With dead ends: 288 [2019-10-13 19:37:15,331 INFO L226 Difference]: Without dead ends: 186 [2019-10-13 19:37:15,334 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 19:37:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-10-13 19:37:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 149. [2019-10-13 19:37:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 19:37:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2019-10-13 19:37:15,380 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2019-10-13 19:37:15,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:15,381 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2019-10-13 19:37:15,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 19:37:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2019-10-13 19:37:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:37:15,390 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:15,390 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:15,391 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:15,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:15,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1418292754, now seen corresponding path program 1 times [2019-10-13 19:37:15,391 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:15,392 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105861663] [2019-10-13 19:37:15,392 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:15,392 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:15,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,773 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:15,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105861663] [2019-10-13 19:37:15,864 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:15,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:37:15,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417304514] [2019-10-13 19:37:15,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:37:15,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:15,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:37:15,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:37:15,867 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 9 states. [2019-10-13 19:37:16,327 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:16,654 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:16,942 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:17,234 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:18,099 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:20,560 INFO L93 Difference]: Finished difference Result 503 states and 637 transitions. [2019-10-13 19:37:20,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 19:37:20,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2019-10-13 19:37:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:20,567 INFO L225 Difference]: With dead ends: 503 [2019-10-13 19:37:20,567 INFO L226 Difference]: Without dead ends: 382 [2019-10-13 19:37:20,569 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 19:37:20,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-13 19:37:20,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 309. [2019-10-13 19:37:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-10-13 19:37:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 378 transitions. [2019-10-13 19:37:20,652 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 378 transitions. Word has length 57 [2019-10-13 19:37:20,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:20,653 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 378 transitions. [2019-10-13 19:37:20,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:37:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 378 transitions. [2019-10-13 19:37:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 19:37:20,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:20,655 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:20,655 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:20,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:20,655 INFO L82 PathProgramCache]: Analyzing trace with hash -335998659, now seen corresponding path program 1 times [2019-10-13 19:37:20,656 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:20,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795543928] [2019-10-13 19:37:20,656 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:20,656 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:20,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,014 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:21,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795543928] [2019-10-13 19:37:21,187 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:21,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:37:21,188 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530704997] [2019-10-13 19:37:21,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:37:21,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:21,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:37:21,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:37:21,189 INFO L87 Difference]: Start difference. First operand 309 states and 378 transitions. Second operand 9 states. [2019-10-13 19:37:21,688 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:22,858 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:23,362 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:23,635 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:23,900 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:25,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:25,904 INFO L93 Difference]: Finished difference Result 992 states and 1314 transitions. [2019-10-13 19:37:25,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 19:37:25,905 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2019-10-13 19:37:25,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:25,912 INFO L225 Difference]: With dead ends: 992 [2019-10-13 19:37:25,912 INFO L226 Difference]: Without dead ends: 711 [2019-10-13 19:37:25,915 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2019-10-13 19:37:25,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2019-10-13 19:37:26,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 566. [2019-10-13 19:37:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2019-10-13 19:37:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 696 transitions. [2019-10-13 19:37:26,057 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 696 transitions. Word has length 62 [2019-10-13 19:37:26,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:26,058 INFO L462 AbstractCegarLoop]: Abstraction has 566 states and 696 transitions. [2019-10-13 19:37:26,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:37:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 696 transitions. [2019-10-13 19:37:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 19:37:26,061 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:26,061 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:26,061 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:26,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:26,062 INFO L82 PathProgramCache]: Analyzing trace with hash 563759321, now seen corresponding path program 1 times [2019-10-13 19:37:26,062 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:26,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208516087] [2019-10-13 19:37:26,062 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:26,062 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:26,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,399 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:26,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208516087] [2019-10-13 19:37:26,539 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:26,539 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:37:26,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640611640] [2019-10-13 19:37:26,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:37:26,542 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:26,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:37:26,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:37:26,543 INFO L87 Difference]: Start difference. First operand 566 states and 696 transitions. Second operand 10 states. [2019-10-13 19:37:26,988 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:28,110 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:28,451 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:28,724 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:29,479 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:31,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:31,017 INFO L93 Difference]: Finished difference Result 1565 states and 2138 transitions. [2019-10-13 19:37:31,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 19:37:31,018 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2019-10-13 19:37:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:31,026 INFO L225 Difference]: With dead ends: 1565 [2019-10-13 19:37:31,027 INFO L226 Difference]: Without dead ends: 1027 [2019-10-13 19:37:31,030 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2019-10-13 19:37:31,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-10-13 19:37:31,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 821. [2019-10-13 19:37:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-10-13 19:37:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 999 transitions. [2019-10-13 19:37:31,195 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 999 transitions. Word has length 66 [2019-10-13 19:37:31,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:31,196 INFO L462 AbstractCegarLoop]: Abstraction has 821 states and 999 transitions. [2019-10-13 19:37:31,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:37:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 999 transitions. [2019-10-13 19:37:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:37:31,198 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:31,199 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:31,199 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:31,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:31,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1340944239, now seen corresponding path program 1 times [2019-10-13 19:37:31,199 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:31,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912704873] [2019-10-13 19:37:31,200 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:31,200 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:31,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,473 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:31,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912704873] [2019-10-13 19:37:31,642 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:31,642 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:37:31,643 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254457301] [2019-10-13 19:37:31,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:37:31,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:31,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:37:31,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:37:31,644 INFO L87 Difference]: Start difference. First operand 821 states and 999 transitions. Second operand 10 states. [2019-10-13 19:37:33,027 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:33,290 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-10-13 19:37:33,581 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:33,874 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:35,435 INFO L93 Difference]: Finished difference Result 1894 states and 2518 transitions. [2019-10-13 19:37:35,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 19:37:35,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2019-10-13 19:37:35,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:35,446 INFO L225 Difference]: With dead ends: 1894 [2019-10-13 19:37:35,446 INFO L226 Difference]: Without dead ends: 1101 [2019-10-13 19:37:35,450 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2019-10-13 19:37:35,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2019-10-13 19:37:35,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 847. [2019-10-13 19:37:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2019-10-13 19:37:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2019-10-13 19:37:35,586 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 94 [2019-10-13 19:37:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:35,587 INFO L462 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2019-10-13 19:37:35,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:37:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2019-10-13 19:37:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:37:35,589 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:35,589 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:35,590 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:35,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:35,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1413330797, now seen corresponding path program 1 times [2019-10-13 19:37:35,590 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:35,591 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394017992] [2019-10-13 19:37:35,591 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:35,591 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:35,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,908 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:36,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394017992] [2019-10-13 19:37:36,081 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:36,081 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:37:36,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508220823] [2019-10-13 19:37:36,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:37:36,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:36,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:37:36,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:37:36,083 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 12 states. [2019-10-13 19:37:36,778 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:37,045 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:37,313 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:38,322 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:38,635 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:38,943 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:40,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:40,825 INFO L93 Difference]: Finished difference Result 1948 states and 2635 transitions. [2019-10-13 19:37:40,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 19:37:40,826 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2019-10-13 19:37:40,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:40,837 INFO L225 Difference]: With dead ends: 1948 [2019-10-13 19:37:40,838 INFO L226 Difference]: Without dead ends: 1129 [2019-10-13 19:37:40,841 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2019-10-13 19:37:40,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2019-10-13 19:37:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 863. [2019-10-13 19:37:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2019-10-13 19:37:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1043 transitions. [2019-10-13 19:37:41,007 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1043 transitions. Word has length 94 [2019-10-13 19:37:41,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:41,008 INFO L462 AbstractCegarLoop]: Abstraction has 863 states and 1043 transitions. [2019-10-13 19:37:41,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:37:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1043 transitions. [2019-10-13 19:37:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:37:41,011 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:41,012 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:41,012 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:41,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:41,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1083565036, now seen corresponding path program 1 times [2019-10-13 19:37:41,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:41,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495303051] [2019-10-13 19:37:41,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:41,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:41,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,314 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:37:41,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495303051] [2019-10-13 19:37:41,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:41,519 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:37:41,519 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064978352] [2019-10-13 19:37:41,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:37:41,520 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:41,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:37:41,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:37:41,520 INFO L87 Difference]: Start difference. First operand 863 states and 1043 transitions. Second operand 8 states. [2019-10-13 19:37:41,976 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:42,597 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:45,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:45,862 INFO L93 Difference]: Finished difference Result 2919 states and 3977 transitions. [2019-10-13 19:37:45,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-13 19:37:45,863 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2019-10-13 19:37:45,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:45,876 INFO L225 Difference]: With dead ends: 2919 [2019-10-13 19:37:45,876 INFO L226 Difference]: Without dead ends: 2084 [2019-10-13 19:37:45,880 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:37:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2019-10-13 19:37:46,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1727. [2019-10-13 19:37:46,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2019-10-13 19:37:46,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2109 transitions. [2019-10-13 19:37:46,253 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2109 transitions. Word has length 94 [2019-10-13 19:37:46,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:46,254 INFO L462 AbstractCegarLoop]: Abstraction has 1727 states and 2109 transitions. [2019-10-13 19:37:46,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:37:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2109 transitions. [2019-10-13 19:37:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 19:37:46,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:46,258 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:46,259 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:46,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:46,259 INFO L82 PathProgramCache]: Analyzing trace with hash -452793586, now seen corresponding path program 1 times [2019-10-13 19:37:46,259 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:46,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469630525] [2019-10-13 19:37:46,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:46,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:46,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:46,569 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat