/usr/bin/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_spec4_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 12:40:28,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 12:40:28,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 12:40:28,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 12:40:28,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 12:40:28,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 12:40:28,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 12:40:28,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 12:40:28,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 12:40:28,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 12:40:28,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 12:40:28,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 12:40:28,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 12:40:28,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 12:40:28,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 12:40:28,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 12:40:28,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 12:40:28,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 12:40:28,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 12:40:28,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 12:40:28,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 12:40:28,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 12:40:28,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 12:40:28,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 12:40:28,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 12:40:28,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 12:40:28,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 12:40:28,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 12:40:28,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 12:40:28,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 12:40:28,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 12:40:28,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 12:40:28,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 12:40:28,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 12:40:28,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 12:40:28,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 12:40:28,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 12:40:28,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 12:40:28,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 12:40:28,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 12:40:28,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 12:40:28,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 12:40:28,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 12:40:28,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 12:40:28,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 12:40:28,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 12:40:28,180 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 12:40:28,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 12:40:28,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 12:40:28,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 12:40:28,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 12:40:28,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 12:40:28,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 12:40:28,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 12:40:28,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 12:40:28,183 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 12:40:28,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 12:40:28,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 12:40:28,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 12:40:28,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 12:40:28,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 12:40:28,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 12:40:28,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 12:40:28,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 12:40:28,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 12:40:28,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 12:40:28,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 12:40:28,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 12:40:28,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 12:40:28,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 12:40:28,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 12:40:28,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 12:40:28,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 12:40:28,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 12:40:28,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 12:40:28,649 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 12:40:28,650 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 12:40:28,651 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-09-04 12:40:28,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de782b6fb/66499d13cb6c4f5d8afe147b7e7ee510/FLAGc69987277 [2020-09-04 12:40:29,299 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 12:40:29,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-09-04 12:40:29,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de782b6fb/66499d13cb6c4f5d8afe147b7e7ee510/FLAGc69987277 [2020-09-04 12:40:29,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de782b6fb/66499d13cb6c4f5d8afe147b7e7ee510 [2020-09-04 12:40:29,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 12:40:29,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 12:40:29,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 12:40:29,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 12:40:29,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 12:40:29,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:40:29" (1/1) ... [2020-09-04 12:40:29,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:29, skipping insertion in model container [2020-09-04 12:40:29,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:40:29" (1/1) ... [2020-09-04 12:40:29,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 12:40:29,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 12:40:30,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:40:30,168 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 12:40:30,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:40:30,299 INFO L208 MainTranslator]: Completed translation [2020-09-04 12:40:30,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30 WrapperNode [2020-09-04 12:40:30,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 12:40:30,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 12:40:30,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 12:40:30,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 12:40:30,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... [2020-09-04 12:40:30,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... [2020-09-04 12:40:30,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... [2020-09-04 12:40:30,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... [2020-09-04 12:40:30,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... [2020-09-04 12:40:30,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... [2020-09-04 12:40:30,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... [2020-09-04 12:40:30,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 12:40:30,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 12:40:30,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 12:40:30,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 12:40:30,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 12:40:30,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 12:40:30,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 12:40:30,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 12:40:30,468 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 12:40:30,468 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 12:40:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 12:40:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 12:40:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 12:40:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 12:40:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 12:40:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 12:40:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 12:40:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 12:40:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 12:40:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 12:40:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 12:40:30,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 12:40:30,471 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 12:40:30,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 12:40:30,474 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 12:40:30,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 12:40:30,474 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 12:40:30,474 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 12:40:30,474 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 12:40:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 12:40:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 12:40:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 12:40:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 12:40:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 12:40:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 12:40:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 12:40:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 12:40:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 12:40:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 12:40:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 12:40:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 12:40:30,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 12:40:30,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 12:40:30,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-04 12:40:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 12:40:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 12:40:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 12:40:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 12:40:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 12:40:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 12:40:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 12:40:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 12:40:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 12:40:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 12:40:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 12:40:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 12:40:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 12:40:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 12:40:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 12:40:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 12:40:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 12:40:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-04 12:40:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 12:40:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 12:40:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 12:40:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 12:40:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 12:40:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 12:40:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 12:40:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 12:40:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 12:40:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 12:40:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 12:40:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 12:40:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 12:40:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 12:40:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 12:40:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 12:40:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 12:40:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 12:40:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 12:40:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 12:40:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 12:40:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 12:40:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 12:40:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 12:40:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 12:40:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 12:40:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 12:40:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 12:40:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 12:40:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 12:40:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 12:40:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 12:40:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 12:40:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 12:40:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 12:40:31,586 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 12:40:31,587 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 12:40:31,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:40:31 BoogieIcfgContainer [2020-09-04 12:40:31,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 12:40:31,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 12:40:31,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 12:40:31,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 12:40:31,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 12:40:29" (1/3) ... [2020-09-04 12:40:31,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a19015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:40:31, skipping insertion in model container [2020-09-04 12:40:31,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:40:30" (2/3) ... [2020-09-04 12:40:31,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a19015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:40:31, skipping insertion in model container [2020-09-04 12:40:31,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:40:31" (3/3) ... [2020-09-04 12:40:31,610 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2020-09-04 12:40:31,621 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 12:40:31,632 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 12:40:31,654 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 12:40:31,685 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 12:40:31,685 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 12:40:31,685 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 12:40:31,685 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 12:40:31,686 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 12:40:31,686 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 12:40:31,686 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 12:40:31,686 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 12:40:31,710 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2020-09-04 12:40:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-04 12:40:31,721 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:40:31,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:40:31,723 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:40:31,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:40:31,729 INFO L82 PathProgramCache]: Analyzing trace with hash 104665002, now seen corresponding path program 1 times [2020-09-04 12:40:31,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:40:31,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81327349] [2020-09-04 12:40:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:40:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,405 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:40:32,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:40:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:40:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:40:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:40:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:40:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-04 12:40:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-04 12:40:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:40:32,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81327349] [2020-09-04 12:40:32,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:40:32,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 12:40:32,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877051404] [2020-09-04 12:40:32,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 12:40:32,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:40:32,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 12:40:32,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 12:40:32,596 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 3 states. [2020-09-04 12:40:33,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:40:33,679 INFO L93 Difference]: Finished difference Result 301 states and 388 transitions. [2020-09-04 12:40:33,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 12:40:33,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-04 12:40:33,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:40:33,699 INFO L225 Difference]: With dead ends: 301 [2020-09-04 12:40:33,699 INFO L226 Difference]: Without dead ends: 163 [2020-09-04 12:40:33,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 12:40:33,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-09-04 12:40:33,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 129. [2020-09-04 12:40:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-04 12:40:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2020-09-04 12:40:33,805 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 46 [2020-09-04 12:40:33,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:40:33,806 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2020-09-04 12:40:33,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 12:40:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2020-09-04 12:40:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-04 12:40:33,810 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:40:33,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:40:33,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 12:40:33,810 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:40:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:40:33,811 INFO L82 PathProgramCache]: Analyzing trace with hash 149584290, now seen corresponding path program 1 times [2020-09-04 12:40:33,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:40:33,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125034198] [2020-09-04 12:40:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:40:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,216 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:40:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:40:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:40:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:40:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:40:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:40:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 12:40:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-04 12:40:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:40:34,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125034198] [2020-09-04 12:40:34,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:40:34,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 12:40:34,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408489883] [2020-09-04 12:40:34,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 12:40:34,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:40:34,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 12:40:34,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 12:40:34,301 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 4 states. [2020-09-04 12:40:34,766 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 12:40:35,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:40:35,597 INFO L93 Difference]: Finished difference Result 225 states and 269 transitions. [2020-09-04 12:40:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 12:40:35,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-04 12:40:35,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:40:35,605 INFO L225 Difference]: With dead ends: 225 [2020-09-04 12:40:35,609 INFO L226 Difference]: Without dead ends: 147 [2020-09-04 12:40:35,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 12:40:35,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-09-04 12:40:35,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 120. [2020-09-04 12:40:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-04 12:40:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2020-09-04 12:40:35,652 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 47 [2020-09-04 12:40:35,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:40:35,652 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2020-09-04 12:40:35,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 12:40:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2020-09-04 12:40:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-04 12:40:35,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:40:35,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:40:35,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 12:40:35,655 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:40:35,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:40:35,656 INFO L82 PathProgramCache]: Analyzing trace with hash 964261252, now seen corresponding path program 1 times [2020-09-04 12:40:35,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:40:35,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732076593] [2020-09-04 12:40:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:40:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:35,990 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:40:35,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:40:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:36,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:40:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:36,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:40:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:36,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:40:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:36,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:40:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:36,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-04 12:40:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:36,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-04 12:40:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:40:36,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732076593] [2020-09-04 12:40:36,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:40:36,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 12:40:36,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662782414] [2020-09-04 12:40:36,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 12:40:36,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:40:36,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 12:40:36,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-04 12:40:36,132 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand 8 states. [2020-09-04 12:40:36,540 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:40:36,890 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:37,195 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:37,504 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:38,322 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 12:40:40,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:40:40,033 INFO L93 Difference]: Finished difference Result 412 states and 501 transitions. [2020-09-04 12:40:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 12:40:40,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-04 12:40:40,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:40:40,044 INFO L225 Difference]: With dead ends: 412 [2020-09-04 12:40:40,044 INFO L226 Difference]: Without dead ends: 316 [2020-09-04 12:40:40,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-04 12:40:40,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-09-04 12:40:40,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 246. [2020-09-04 12:40:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-09-04 12:40:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 290 transitions. [2020-09-04 12:40:40,118 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 290 transitions. Word has length 51 [2020-09-04 12:40:40,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:40:40,119 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 290 transitions. [2020-09-04 12:40:40,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 12:40:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 290 transitions. [2020-09-04 12:40:40,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-04 12:40:40,121 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:40:40,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:40:40,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 12:40:40,122 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:40:40,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:40:40,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1270230841, now seen corresponding path program 1 times [2020-09-04 12:40:40,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:40:40,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692840036] [2020-09-04 12:40:40,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:40:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,569 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:40:40,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:40:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:40:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:40:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:40:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:40:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 12:40:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-04 12:40:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-04 12:40:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:40:40,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692840036] [2020-09-04 12:40:40,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:40:40,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-04 12:40:40,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594497609] [2020-09-04 12:40:40,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 12:40:40,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:40:40,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 12:40:40,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-04 12:40:40,727 INFO L87 Difference]: Start difference. First operand 246 states and 290 transitions. Second operand 12 states. [2020-09-04 12:40:41,219 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:40:41,603 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:41,910 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:42,200 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:42,851 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 12:40:43,745 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:44,167 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:40:44,502 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:40:44,873 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:40:45,186 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 12:40:45,596 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:40:45,897 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:40:46,210 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:40:48,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:40:48,310 INFO L93 Difference]: Finished difference Result 993 states and 1338 transitions. [2020-09-04 12:40:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 12:40:48,311 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-09-04 12:40:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:40:48,320 INFO L225 Difference]: With dead ends: 993 [2020-09-04 12:40:48,320 INFO L226 Difference]: Without dead ends: 771 [2020-09-04 12:40:48,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-09-04 12:40:48,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2020-09-04 12:40:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 678. [2020-09-04 12:40:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-09-04 12:40:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 836 transitions. [2020-09-04 12:40:48,470 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 836 transitions. Word has length 57 [2020-09-04 12:40:48,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:40:48,471 INFO L479 AbstractCegarLoop]: Abstraction has 678 states and 836 transitions. [2020-09-04 12:40:48,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 12:40:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 836 transitions. [2020-09-04 12:40:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-04 12:40:48,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:40:48,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:40:48,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 12:40:48,476 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:40:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:40:48,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1043234783, now seen corresponding path program 1 times [2020-09-04 12:40:48,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:40:48,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420621242] [2020-09-04 12:40:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:40:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,819 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:40:48,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:40:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:40:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:40:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:40:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:40:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 12:40:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-04 12:40:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 12:40:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-04 12:40:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:40:48,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420621242] [2020-09-04 12:40:48,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:40:48,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 12:40:48,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748246124] [2020-09-04 12:40:48,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 12:40:48,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:40:48,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 12:40:48,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 12:40:48,947 INFO L87 Difference]: Start difference. First operand 678 states and 836 transitions. Second operand 6 states. [2020-09-04 12:40:49,305 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:40:51,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:40:51,100 INFO L93 Difference]: Finished difference Result 1641 states and 2151 transitions. [2020-09-04 12:40:51,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 12:40:51,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-04 12:40:51,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:40:51,109 INFO L225 Difference]: With dead ends: 1641 [2020-09-04 12:40:51,109 INFO L226 Difference]: Without dead ends: 987 [2020-09-04 12:40:51,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-04 12:40:51,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2020-09-04 12:40:51,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 924. [2020-09-04 12:40:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-09-04 12:40:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1148 transitions. [2020-09-04 12:40:51,300 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1148 transitions. Word has length 61 [2020-09-04 12:40:51,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:40:51,300 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1148 transitions. [2020-09-04 12:40:51,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 12:40:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1148 transitions. [2020-09-04 12:40:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-04 12:40:51,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:40:51,304 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:40:51,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 12:40:51,304 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:40:51,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:40:51,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1818048574, now seen corresponding path program 1 times [2020-09-04 12:40:51,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:40:51,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809462340] [2020-09-04 12:40:51,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:40:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,661 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:40:51,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:40:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:40:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:40:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:40:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:40:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 12:40:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-04 12:40:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-04 12:40:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:40:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:40:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-04 12:40:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 12:40:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 12:40:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-04 12:40:51,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809462340] [2020-09-04 12:40:51,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451001688] [2020-09-04 12:40:51,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 12:40:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:40:52,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-09-04 12:40:52,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 12:40:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 12:40:52,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 12:40:52,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-09-04 12:40:52,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609155806] [2020-09-04 12:40:52,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 12:40:52,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:40:52,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 12:40:52,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-09-04 12:40:52,267 INFO L87 Difference]: Start difference. First operand 924 states and 1148 transitions. Second operand 12 states. [2020-09-04 12:40:53,603 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-09-04 12:40:54,246 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:40:56,310 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:40:56,691 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:40:59,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:40:59,514 INFO L93 Difference]: Finished difference Result 2342 states and 3132 transitions. [2020-09-04 12:40:59,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-04 12:40:59,515 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-09-04 12:40:59,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:40:59,526 INFO L225 Difference]: With dead ends: 2342 [2020-09-04 12:40:59,526 INFO L226 Difference]: Without dead ends: 1705 [2020-09-04 12:40:59,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 12:40:59,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-09-04 12:40:59,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1583. [2020-09-04 12:40:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1583 states. [2020-09-04 12:40:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 1983 transitions. [2020-09-04 12:40:59,895 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 1983 transitions. Word has length 88 [2020-09-04 12:40:59,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:40:59,897 INFO L479 AbstractCegarLoop]: Abstraction has 1583 states and 1983 transitions. [2020-09-04 12:40:59,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 12:40:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1983 transitions. [2020-09-04 12:40:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-09-04 12:40:59,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:40:59,902 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:41:00,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-09-04 12:41:00,118 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:41:00,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:41:00,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1842113163, now seen corresponding path program 1 times [2020-09-04 12:41:00,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:41:00,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982286338] [2020-09-04 12:41:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:41:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,459 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:41:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:41:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:41:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:41:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:41:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:41:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-04 12:41:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-04 12:41:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:41:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-04 12:41:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-04 12:41:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 12:41:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-04 12:41:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-04 12:41:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 12:41:00,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982286338] [2020-09-04 12:41:00,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224888543] [2020-09-04 12:41:00,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 12:41:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:00,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-04 12:41:00,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 12:41:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-04 12:41:00,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 12:41:00,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-09-04 12:41:00,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114551284] [2020-09-04 12:41:00,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 12:41:00,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:41:00,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 12:41:00,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 12:41:00,966 INFO L87 Difference]: Start difference. First operand 1583 states and 1983 transitions. Second operand 6 states. [2020-09-04 12:41:01,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:41:01,302 INFO L93 Difference]: Finished difference Result 3198 states and 4194 transitions. [2020-09-04 12:41:01,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 12:41:01,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2020-09-04 12:41:01,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:41:01,312 INFO L225 Difference]: With dead ends: 3198 [2020-09-04 12:41:01,312 INFO L226 Difference]: Without dead ends: 1639 [2020-09-04 12:41:01,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 12:41:01,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2020-09-04 12:41:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1623. [2020-09-04 12:41:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1623 states. [2020-09-04 12:41:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2031 transitions. [2020-09-04 12:41:01,687 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2031 transitions. Word has length 124 [2020-09-04 12:41:01,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:41:01,688 INFO L479 AbstractCegarLoop]: Abstraction has 1623 states and 2031 transitions. [2020-09-04 12:41:01,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 12:41:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2031 transitions. [2020-09-04 12:41:01,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-09-04 12:41:01,692 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:41:01,692 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:41:01,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 12:41:01,907 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:41:01,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:41:01,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1613820471, now seen corresponding path program 1 times [2020-09-04 12:41:01,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:41:01,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575764534] [2020-09-04 12:41:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:41:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,240 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:41:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:41:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:41:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:41:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:41:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:41:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-04 12:41:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-04 12:41:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:41:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-04 12:41:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-04 12:41:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 12:41:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-04 12:41:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-04 12:41:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 12:41:02,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575764534] [2020-09-04 12:41:02,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2822048] [2020-09-04 12:41:02,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 12:41:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:02,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 5 conjunts are in the unsatisfiable core [2020-09-04 12:41:02,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 12:41:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-04 12:41:02,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 12:41:02,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2020-09-04 12:41:02,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304876170] [2020-09-04 12:41:02,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 12:41:02,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:41:02,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 12:41:02,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-04 12:41:02,783 INFO L87 Difference]: Start difference. First operand 1623 states and 2031 transitions. Second operand 5 states. [2020-09-04 12:41:03,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:41:03,169 INFO L93 Difference]: Finished difference Result 2856 states and 3646 transitions. [2020-09-04 12:41:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 12:41:03,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-09-04 12:41:03,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:41:03,178 INFO L225 Difference]: With dead ends: 2856 [2020-09-04 12:41:03,178 INFO L226 Difference]: Without dead ends: 1257 [2020-09-04 12:41:03,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-04 12:41:03,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2020-09-04 12:41:03,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1257. [2020-09-04 12:41:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1257 states. [2020-09-04 12:41:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1555 transitions. [2020-09-04 12:41:03,423 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1555 transitions. Word has length 124 [2020-09-04 12:41:03,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:41:03,423 INFO L479 AbstractCegarLoop]: Abstraction has 1257 states and 1555 transitions. [2020-09-04 12:41:03,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 12:41:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1555 transitions. [2020-09-04 12:41:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-04 12:41:03,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:41:03,427 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 12:41:03,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 12:41:03,640 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:41:03,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:41:03,641 INFO L82 PathProgramCache]: Analyzing trace with hash 315789474, now seen corresponding path program 1 times [2020-09-04 12:41:03,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:41:03,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693764747] [2020-09-04 12:41:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:41:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,147 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:41:04,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:41:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:41:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:41:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:41:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:41:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 12:41:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 12:41:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-04 12:41:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:41:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-04 12:41:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:41:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 12:41:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 12:41:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:41:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-04 12:41:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 12:41:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-04 12:41:04,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693764747] [2020-09-04 12:41:04,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469432681] [2020-09-04 12:41:04,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 12:41:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:41:04,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-04 12:41:04,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 12:41:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:41:04,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 12:41:04,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 14 [2020-09-04 12:41:04,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690526180] [2020-09-04 12:41:04,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 12:41:04,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:41:04,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 12:41:04,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-09-04 12:41:04,803 INFO L87 Difference]: Start difference. First operand 1257 states and 1555 transitions. Second operand 14 states. [2020-09-04 12:41:05,471 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:41:06,195 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:41:07,085 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-09-04 12:41:07,470 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:41:07,790 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:41:08,416 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-04 12:41:08,806 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 12:41:09,127 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 12:41:10,732 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:41:11,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:41:11,700 INFO L93 Difference]: Finished difference Result 2589 states and 3430 transitions. [2020-09-04 12:41:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 12:41:11,701 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 128 [2020-09-04 12:41:11,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:41:11,711 INFO L225 Difference]: With dead ends: 2589 [2020-09-04 12:41:11,711 INFO L226 Difference]: Without dead ends: 1501 [2020-09-04 12:41:11,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2020-09-04 12:41:11,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2020-09-04 12:41:11,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1129. [2020-09-04 12:41:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-09-04 12:41:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1387 transitions. [2020-09-04 12:41:11,938 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1387 transitions. Word has length 128 [2020-09-04 12:41:11,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:41:11,940 INFO L479 AbstractCegarLoop]: Abstraction has 1129 states and 1387 transitions. [2020-09-04 12:41:11,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 12:41:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1387 transitions. [2020-09-04 12:41:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-04 12:41:11,946 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:41:11,946 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:41:12,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 12:41:12,161 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:41:12,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:41:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1874994186, now seen corresponding path program 2 times [2020-09-04 12:41:12,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:41:12,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734599520] [2020-09-04 12:41:12,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:41:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 12:41:12,247 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 12:41:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 12:41:12,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 12:41:12,627 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-04 12:41:12,627 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 12:41:12,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 12:41:12,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 12:41:12 BoogieIcfgContainer [2020-09-04 12:41:12,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 12:41:12,840 INFO L168 Benchmark]: Toolchain (without parser) took 43266.73 ms. Allocated memory was 138.9 MB in the beginning and 750.8 MB in the end (delta: 611.8 MB). Free memory was 101.1 MB in the beginning and 104.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 608.4 MB. Max. memory is 7.1 GB. [2020-09-04 12:41:12,840 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 12:41:12,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.82 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 172.1 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-09-04 12:41:12,842 INFO L168 Benchmark]: Boogie Preprocessor took 92.69 ms. Allocated memory is still 202.9 MB. Free memory was 172.1 MB in the beginning and 167.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-04 12:41:12,842 INFO L168 Benchmark]: RCFGBuilder took 1205.69 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 199.8 MB in the end (delta: -32.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-09-04 12:41:12,843 INFO L168 Benchmark]: TraceAbstraction took 41236.28 ms. Allocated memory was 234.9 MB in the beginning and 750.8 MB in the end (delta: 515.9 MB). Free memory was 199.8 MB in the beginning and 104.6 MB in the end (delta: 95.2 MB). Peak memory consumption was 611.1 MB. Max. memory is 7.1 GB. [2020-09-04 12:41:12,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.82 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 172.1 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.69 ms. Allocated memory is still 202.9 MB. Free memory was 172.1 MB in the beginning and 167.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.69 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 199.8 MB in the end (delta: -32.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41236.28 ms. Allocated memory was 234.9 MB in the beginning and 750.8 MB in the end (delta: 515.9 MB). Free memory was 199.8 MB in the beginning and 104.6 MB in the end (delta: 95.2 MB). Peak memory consumption was 611.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 310]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=148, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L391] int retValue_acc ; [L392] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L396] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L397] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L398] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L538] retValue_acc = 1 [L539] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L398] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L402] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L403] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L382] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L67] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE waterLevel < 2 [L434] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L128] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L137] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L160] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L272] int retValue_acc ; [L273] int tmp ; [L274] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L278] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L495] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L498] COND FALSE !(waterLevel < 2) [L502] retValue_acc = 0 [L503] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L278] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L278] tmp = isHighWaterSensorDry() [L280] COND FALSE !(\read(tmp)) [L283] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L285] retValue_acc = tmp___0 [L286] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L162] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] tmp = isHighWaterLevel() [L164] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L166] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L191] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L195] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L216] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L220] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L220] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L220] retValue_acc = isMethaneLevelCritical() [L222] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L195] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L195] tmp = isMethaneAlarm() [L197] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L201] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L185] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L201] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L166] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L137] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L143] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L911] int tmp ; [L912] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L916] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L916] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L143] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L100] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L55] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L57] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-2, waterLevel=2] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L128] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L130] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L130] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L135] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L137] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L160] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L175] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L137] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L143] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L911] int tmp ; [L912] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L916] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L916] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L143] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L100] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-2, waterLevel=1] [L55] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-2, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-2, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-2, waterLevel=1] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-2, waterLevel=1] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-3, waterLevel=1] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L128] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L130] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L130] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L135] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L137] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L157] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L160] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L175] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L137] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L143] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L911] int tmp ; [L912] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L916] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L916] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L916] tmp = getWaterLevel() [L918] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L920] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L920] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L920] tmp___0 = isPumpRunning() [L922] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L924] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L310] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1206 SDtfs, 2471 SDslu, 1892 SDs, 0 SdLazy, 6245 SolverSat, 1778 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 704 SyntacticMatches, 8 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1623occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 797 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1353 NumberOfCodeBlocks, 1353 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1177 ConstructedInterpolants, 0 QuantifiedInterpolants, 329000 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3234 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 163/190 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 incorrect! Received shutdown request...