/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_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:51:49,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:51:49,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:51:49,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:51:49,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:51:49,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:51:49,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:51:49,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:51:49,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:51:49,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:51:49,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:51:49,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:51:49,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:51:49,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:51:49,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:51:49,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:51:49,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:51:49,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:51:49,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:51:49,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:51:49,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:51:49,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:51:49,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:51:49,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:51:49,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:51:49,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:51:49,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:51:49,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:51:49,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:51:49,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:51:49,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:51:49,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:51:49,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:51:49,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:51:49,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:51:49,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:51:49,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:51:49,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:51:49,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:51:49,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:51:49,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:51:49,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:51:49,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:51:49,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:51:49,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:51:49,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:51:49,178 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:51:49,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:51:49,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:51:49,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:51:49,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:51:49,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:51:49,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:51:49,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:51:49,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:51:49,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:51:49,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:51:49,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:51:49,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:51:49,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:51:49,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:51:49,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:51:49,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:51:49,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:51:49,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:51:49,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:51:49,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:51:49,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:51:49,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:51:49,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:51:49,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:51:49,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:51:49,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:51:49,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:51:49,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:51:49,477 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:51:49,478 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:51:49,479 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-07 10:51:49,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/368457102/0db3071d7bb3467981806aa75d0c4438/FLAG088bb5a0c [2020-07-07 10:51:50,117 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:51:50,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-07 10:51:50,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/368457102/0db3071d7bb3467981806aa75d0c4438/FLAG088bb5a0c [2020-07-07 10:51:50,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/368457102/0db3071d7bb3467981806aa75d0c4438 [2020-07-07 10:51:50,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:51:50,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:51:50,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:51:50,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:51:50,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:51:50,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:51:50" (1/1) ... [2020-07-07 10:51:50,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d47265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:50, skipping insertion in model container [2020-07-07 10:51:50,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:51:50" (1/1) ... [2020-07-07 10:51:50,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:51:50,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:51:51,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:51:51,059 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:51:51,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:51:51,183 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:51:51,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51 WrapperNode [2020-07-07 10:51:51,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:51:51,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:51:51,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:51:51,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:51:51,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... [2020-07-07 10:51:51,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... [2020-07-07 10:51:51,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... [2020-07-07 10:51:51,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... [2020-07-07 10:51:51,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... [2020-07-07 10:51:51,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... [2020-07-07 10:51:51,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... [2020-07-07 10:51:51,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:51:51,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:51:51,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:51:51,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:51:51,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:51:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:51:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:51:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:51:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:51:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:51:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:51:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:51:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:51:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:51:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:51:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:51:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:51:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:51:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:51:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:51:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:51:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:51:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:51:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:51:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:51:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:51:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:51:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:51:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:51:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:51:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:51:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:51:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:51:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:51:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:51:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:51:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:51:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:51:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:51:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:51:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:51:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:51:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:51:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:51:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:51:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:51:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:51:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:51:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:51:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:51:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:51:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:51:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:51:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:51:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:51:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:51:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:51:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:51:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:51:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:51:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:51:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:51:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:51:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:51:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:51:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:51:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:51:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:51:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:51:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:51:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:51:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:51:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:51:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:51:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:51:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:51:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:51:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:51:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:51:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:51:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:51:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:51:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:51:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:51:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:51:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:51:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:51:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:51:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:51:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:51:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:51:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:51:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:51:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:51:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:51:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:51:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:51:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:51:52,456 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:51:52,457 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:51:52,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:51:52 BoogieIcfgContainer [2020-07-07 10:51:52,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:51:52,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:51:52,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:51:52,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:51:52,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:51:50" (1/3) ... [2020-07-07 10:51:52,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee4b49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:51:52, skipping insertion in model container [2020-07-07 10:51:52,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:51" (2/3) ... [2020-07-07 10:51:52,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee4b49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:51:52, skipping insertion in model container [2020-07-07 10:51:52,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:51:52" (3/3) ... [2020-07-07 10:51:52,476 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-07-07 10:51:52,486 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:51:52,495 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:51:52,509 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:51:52,529 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:51:52,529 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:51:52,529 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:51:52,529 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:51:52,530 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:51:52,530 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:51:52,530 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:51:52,531 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:51:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-07 10:51:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:51:52,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:52,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:52,567 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:52,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:52,573 INFO L82 PathProgramCache]: Analyzing trace with hash 479094946, now seen corresponding path program 1 times [2020-07-07 10:51:52,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:52,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557906027] [2020-07-07 10:51:52,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,263 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:51:53,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557906027] [2020-07-07 10:51:53,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:51:53,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:51:53,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255802526] [2020-07-07 10:51:53,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:51:53,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:53,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:51:53,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:51:53,388 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 4 states. [2020-07-07 10:51:54,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:54,530 INFO L93 Difference]: Finished difference Result 335 states and 423 transitions. [2020-07-07 10:51:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:51:54,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:51:54,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:54,550 INFO L225 Difference]: With dead ends: 335 [2020-07-07 10:51:54,550 INFO L226 Difference]: Without dead ends: 183 [2020-07-07 10:51:54,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:51:54,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-07 10:51:54,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2020-07-07 10:51:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-07 10:51:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2020-07-07 10:51:54,665 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2020-07-07 10:51:54,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:54,666 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2020-07-07 10:51:54,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:51:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-07-07 10:51:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:51:54,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:54,670 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:54,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:51:54,671 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:54,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:54,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1126861649, now seen corresponding path program 1 times [2020-07-07 10:51:54,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:54,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991335222] [2020-07-07 10:51:54,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,076 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:51:55,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991335222] [2020-07-07 10:51:55,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:51:55,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:51:55,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025328187] [2020-07-07 10:51:55,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:51:55,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:55,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:51:55,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:51:55,250 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 9 states. [2020-07-07 10:51:55,636 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:55,971 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:56,215 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:56,451 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:57,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:57,826 INFO L93 Difference]: Finished difference Result 308 states and 378 transitions. [2020-07-07 10:51:57,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:51:57,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:51:57,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:57,832 INFO L225 Difference]: With dead ends: 308 [2020-07-07 10:51:57,833 INFO L226 Difference]: Without dead ends: 183 [2020-07-07 10:51:57,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:51:57,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-07 10:51:57,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2020-07-07 10:51:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-07 10:51:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2020-07-07 10:51:57,940 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 64 [2020-07-07 10:51:57,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:57,940 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2020-07-07 10:51:57,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:51:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2020-07-07 10:51:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-07 10:51:57,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:57,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:57,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:51:57,952 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:57,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:57,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1745445590, now seen corresponding path program 1 times [2020-07-07 10:51:57,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:57,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988462180] [2020-07-07 10:51:57,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,264 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:51:58,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988462180] [2020-07-07 10:51:58,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:51:58,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:51:58,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628835754] [2020-07-07 10:51:58,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:51:58,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:58,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:51:58,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:51:58,423 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand 7 states. [2020-07-07 10:51:58,762 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:00,309 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:01,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:01,107 INFO L93 Difference]: Finished difference Result 445 states and 574 transitions. [2020-07-07 10:52:01,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:52:01,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-07-07 10:52:01,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:01,118 INFO L225 Difference]: With dead ends: 445 [2020-07-07 10:52:01,118 INFO L226 Difference]: Without dead ends: 320 [2020-07-07 10:52:01,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:52:01,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-07 10:52:01,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 259. [2020-07-07 10:52:01,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-07-07 10:52:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 309 transitions. [2020-07-07 10:52:01,214 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 309 transitions. Word has length 77 [2020-07-07 10:52:01,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:01,217 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 309 transitions. [2020-07-07 10:52:01,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:52:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 309 transitions. [2020-07-07 10:52:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-07 10:52:01,219 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:01,219 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:01,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:52:01,219 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:01,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:01,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1775922839, now seen corresponding path program 1 times [2020-07-07 10:52:01,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:01,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118289717] [2020-07-07 10:52:01,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,531 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:52:01,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118289717] [2020-07-07 10:52:01,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:01,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:01,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999956439] [2020-07-07 10:52:01,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:01,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:01,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:01,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:01,653 INFO L87 Difference]: Start difference. First operand 259 states and 309 transitions. Second operand 9 states. [2020-07-07 10:52:02,061 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:02,620 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:03,563 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:03,836 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:04,268 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:04,498 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:05,185 INFO L93 Difference]: Finished difference Result 540 states and 684 transitions. [2020-07-07 10:52:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:52:05,187 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-07-07 10:52:05,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:05,190 INFO L225 Difference]: With dead ends: 540 [2020-07-07 10:52:05,190 INFO L226 Difference]: Without dead ends: 309 [2020-07-07 10:52:05,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:52:05,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-07 10:52:05,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 258. [2020-07-07 10:52:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-07-07 10:52:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 306 transitions. [2020-07-07 10:52:05,248 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 306 transitions. Word has length 91 [2020-07-07 10:52:05,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:05,248 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 306 transitions. [2020-07-07 10:52:05,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:05,249 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 306 transitions. [2020-07-07 10:52:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:52:05,250 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:05,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:05,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:52:05,251 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:05,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:05,251 INFO L82 PathProgramCache]: Analyzing trace with hash 534241489, now seen corresponding path program 1 times [2020-07-07 10:52:05,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:05,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990511907] [2020-07-07 10:52:05,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,512 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:05,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990511907] [2020-07-07 10:52:05,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:05,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:52:05,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791622404] [2020-07-07 10:52:05,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:52:05,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:05,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:52:05,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:52:05,719 INFO L87 Difference]: Start difference. First operand 258 states and 306 transitions. Second operand 10 states. [2020-07-07 10:52:06,437 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:07,035 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:07,274 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:07,512 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:07,775 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:08,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:08,634 INFO L93 Difference]: Finished difference Result 502 states and 624 transitions. [2020-07-07 10:52:08,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:52:08,634 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-07-07 10:52:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:08,637 INFO L225 Difference]: With dead ends: 502 [2020-07-07 10:52:08,637 INFO L226 Difference]: Without dead ends: 272 [2020-07-07 10:52:08,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:52:08,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-07-07 10:52:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 233. [2020-07-07 10:52:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-07-07 10:52:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 264 transitions. [2020-07-07 10:52:08,679 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 264 transitions. Word has length 103 [2020-07-07 10:52:08,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:08,680 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 264 transitions. [2020-07-07 10:52:08,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:52:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2020-07-07 10:52:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:52:08,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:08,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:08,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:52:08,682 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:08,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:08,683 INFO L82 PathProgramCache]: Analyzing trace with hash 697480839, now seen corresponding path program 1 times [2020-07-07 10:52:08,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:08,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861672388] [2020-07-07 10:52:08,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:08,964 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:09,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861672388] [2020-07-07 10:52:09,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:09,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:52:09,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791498848] [2020-07-07 10:52:09,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:52:09,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:09,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:52:09,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:52:09,126 INFO L87 Difference]: Start difference. First operand 233 states and 264 transitions. Second operand 11 states. [2020-07-07 10:52:09,638 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:09,875 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:10,096 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:10,757 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:11,009 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:11,267 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:12,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:12,149 INFO L93 Difference]: Finished difference Result 482 states and 584 transitions. [2020-07-07 10:52:12,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:52:12,152 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-07 10:52:12,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:12,154 INFO L225 Difference]: With dead ends: 482 [2020-07-07 10:52:12,154 INFO L226 Difference]: Without dead ends: 277 [2020-07-07 10:52:12,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:52:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-07-07 10:52:12,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 237. [2020-07-07 10:52:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-07-07 10:52:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2020-07-07 10:52:12,197 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 107 [2020-07-07 10:52:12,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:12,198 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2020-07-07 10:52:12,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:52:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2020-07-07 10:52:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:52:12,200 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:12,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:12,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:52:12,200 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:12,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:12,201 INFO L82 PathProgramCache]: Analyzing trace with hash 456940710, now seen corresponding path program 1 times [2020-07-07 10:52:12,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:12,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999407764] [2020-07-07 10:52:12,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,489 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:12,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999407764] [2020-07-07 10:52:12,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:12,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:52:12,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920515128] [2020-07-07 10:52:12,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:52:12,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:12,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:52:12,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:12,626 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand 7 states. [2020-07-07 10:52:12,978 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:13,521 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:15,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:15,177 INFO L93 Difference]: Finished difference Result 651 states and 808 transitions. [2020-07-07 10:52:15,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:52:15,178 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-07-07 10:52:15,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:15,182 INFO L225 Difference]: With dead ends: 651 [2020-07-07 10:52:15,182 INFO L226 Difference]: Without dead ends: 442 [2020-07-07 10:52:15,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:52:15,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-07-07 10:52:15,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 404. [2020-07-07 10:52:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-07-07 10:52:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 472 transitions. [2020-07-07 10:52:15,252 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 472 transitions. Word has length 107 [2020-07-07 10:52:15,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:15,252 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 472 transitions. [2020-07-07 10:52:15,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:52:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 472 transitions. [2020-07-07 10:52:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-07 10:52:15,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:15,254 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:15,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:52:15,255 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:15,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1562894580, now seen corresponding path program 1 times [2020-07-07 10:52:15,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:15,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478143291] [2020-07-07 10:52:15,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,590 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:15,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478143291] [2020-07-07 10:52:15,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:15,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:52:15,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440190867] [2020-07-07 10:52:15,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:52:15,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:15,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:52:15,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:52:15,838 INFO L87 Difference]: Start difference. First operand 404 states and 472 transitions. Second operand 12 states. [2020-07-07 10:52:16,551 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:17,192 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:18,207 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:18,524 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:18,796 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:19,077 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:19,359 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:20,679 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:20,961 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:21,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:21,673 INFO L93 Difference]: Finished difference Result 1116 states and 1385 transitions. [2020-07-07 10:52:21,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:52:21,674 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-07 10:52:21,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:21,679 INFO L225 Difference]: With dead ends: 1116 [2020-07-07 10:52:21,680 INFO L226 Difference]: Without dead ends: 810 [2020-07-07 10:52:21,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:52:21,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-07-07 10:52:21,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 700. [2020-07-07 10:52:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-07-07 10:52:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 810 transitions. [2020-07-07 10:52:21,802 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 810 transitions. Word has length 111 [2020-07-07 10:52:21,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:21,803 INFO L479 AbstractCegarLoop]: Abstraction has 700 states and 810 transitions. [2020-07-07 10:52:21,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:52:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 810 transitions. [2020-07-07 10:52:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-07 10:52:21,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:21,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:21,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:52:21,807 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:21,807 INFO L82 PathProgramCache]: Analyzing trace with hash 903450751, now seen corresponding path program 1 times [2020-07-07 10:52:21,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:21,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786209349] [2020-07-07 10:52:21,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,214 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,568 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:52:22,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786209349] [2020-07-07 10:52:22,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487225158] [2020-07-07 10:52:22,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,787 INFO L264 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:52:22,804 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:52:22,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:22,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:52:22,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547190776] [2020-07-07 10:52:22,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:52:22,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:22,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:52:22,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:52:22,962 INFO L87 Difference]: Start difference. First operand 700 states and 810 transitions. Second operand 20 states. [2020-07-07 10:52:23,540 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:23,889 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:52:24,173 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:24,450 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:25,115 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:52:25,402 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:52:25,815 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-07 10:52:26,610 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 10:52:27,325 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:27,790 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:52:28,255 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:28,519 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:28,840 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:29,504 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:29,935 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:52:30,347 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:30,995 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:52:31,263 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:31,860 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:32,343 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:32,621 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:32,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:32,920 INFO L93 Difference]: Finished difference Result 1531 states and 1833 transitions. [2020-07-07 10:52:32,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 10:52:32,920 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-07-07 10:52:32,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:32,927 INFO L225 Difference]: With dead ends: 1531 [2020-07-07 10:52:32,927 INFO L226 Difference]: Without dead ends: 925 [2020-07-07 10:52:32,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-07-07 10:52:32,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-07-07 10:52:33,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 830. [2020-07-07 10:52:33,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-07-07 10:52:33,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 969 transitions. [2020-07-07 10:52:33,065 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 969 transitions. Word has length 172 [2020-07-07 10:52:33,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:33,066 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 969 transitions. [2020-07-07 10:52:33,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:52:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 969 transitions. [2020-07-07 10:52:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-07-07 10:52:33,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:33,073 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:52:33,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:52:33,287 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:33,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:33,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1791991912, now seen corresponding path program 1 times [2020-07-07 10:52:33,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:33,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813069497] [2020-07-07 10:52:33,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,678 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-07-07 10:52:34,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813069497] [2020-07-07 10:52:34,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34039162] [2020-07-07 10:52:34,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:34,778 INFO L264 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:52:34,789 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-07 10:52:35,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:35,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-07 10:52:35,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584750462] [2020-07-07 10:52:35,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:52:35,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:35,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:52:35,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:52:35,130 INFO L87 Difference]: Start difference. First operand 830 states and 969 transitions. Second operand 24 states. [2020-07-07 10:52:36,281 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:37,191 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:37,965 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:38,724 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:39,292 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:52:39,833 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:52:40,116 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:40,493 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:40,807 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:44,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:44,321 INFO L93 Difference]: Finished difference Result 1970 states and 2592 transitions. [2020-07-07 10:52:44,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:52:44,322 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 303 [2020-07-07 10:52:44,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:44,332 INFO L225 Difference]: With dead ends: 1970 [2020-07-07 10:52:44,333 INFO L226 Difference]: Without dead ends: 1187 [2020-07-07 10:52:44,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 413 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-07 10:52:44,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-07-07 10:52:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 838. [2020-07-07 10:52:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-07-07 10:52:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 964 transitions. [2020-07-07 10:52:44,539 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 964 transitions. Word has length 303 [2020-07-07 10:52:44,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:44,542 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 964 transitions. [2020-07-07 10:52:44,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:52:44,542 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 964 transitions. [2020-07-07 10:52:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-07-07 10:52:44,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:44,552 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:52:44,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:52:44,768 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:44,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2036762078, now seen corresponding path program 1 times [2020-07-07 10:52:44,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:44,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793633957] [2020-07-07 10:52:44,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,112 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2020-07-07 10:52:45,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793633957] [2020-07-07 10:52:45,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009637202] [2020-07-07 10:52:45,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,943 INFO L264 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:52:45,956 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 250 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-07 10:52:46,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:46,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:52:46,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321985811] [2020-07-07 10:52:46,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:52:46,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:46,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:52:46,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:52:46,156 INFO L87 Difference]: Start difference. First operand 838 states and 964 transitions. Second operand 22 states. [2020-07-07 10:52:46,882 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:52:47,472 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:52:47,948 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:52:48,445 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:52:49,340 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:52:50,459 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:52:50,974 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:52:51,494 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:52,141 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:52,969 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:53,240 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:53,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:53,953 INFO L93 Difference]: Finished difference Result 1626 states and 1926 transitions. [2020-07-07 10:52:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:52:53,954 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-07-07 10:52:53,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:54,006 INFO L225 Difference]: With dead ends: 1626 [2020-07-07 10:52:54,007 INFO L226 Difference]: Without dead ends: 901 [2020-07-07 10:52:54,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:52:54,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-07-07 10:52:54,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 838. [2020-07-07 10:52:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-07-07 10:52:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 961 transitions. [2020-07-07 10:52:54,165 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 961 transitions. Word has length 319 [2020-07-07 10:52:54,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:54,166 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 961 transitions. [2020-07-07 10:52:54,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:52:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 961 transitions. [2020-07-07 10:52:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-07 10:52:54,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:54,173 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:52:54,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:52:54,388 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:54,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:54,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1411306482, now seen corresponding path program 1 times [2020-07-07 10:52:54,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:54,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595530900] [2020-07-07 10:52:54,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,731 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-07-07 10:52:55,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595530900] [2020-07-07 10:52:55,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617756095] [2020-07-07 10:52:55,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,250 INFO L264 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:52:55,256 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-07 10:52:55,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:55,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-07 10:52:55,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172005109] [2020-07-07 10:52:55,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 10:52:55,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:55,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 10:52:55,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:52:55,436 INFO L87 Difference]: Start difference. First operand 838 states and 961 transitions. Second operand 17 states. [2020-07-07 10:52:55,996 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:56,673 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:58,395 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:52:58,656 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:58,917 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:59,195 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:59,830 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:00,131 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:00,405 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:00,692 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:00,963 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:02,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:02,981 INFO L93 Difference]: Finished difference Result 2068 states and 2568 transitions. [2020-07-07 10:53:02,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-07 10:53:02,982 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 320 [2020-07-07 10:53:02,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:02,990 INFO L225 Difference]: With dead ends: 2068 [2020-07-07 10:53:02,990 INFO L226 Difference]: Without dead ends: 1343 [2020-07-07 10:53:02,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-07 10:53:02,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-07-07 10:53:03,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1082. [2020-07-07 10:53:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-07-07 10:53:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1243 transitions. [2020-07-07 10:53:03,210 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1243 transitions. Word has length 320 [2020-07-07 10:53:03,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:03,212 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1243 transitions. [2020-07-07 10:53:03,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 10:53:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1243 transitions. [2020-07-07 10:53:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-07 10:53:03,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:03,218 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:03,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:03,432 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:03,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:03,432 INFO L82 PathProgramCache]: Analyzing trace with hash 465719961, now seen corresponding path program 1 times [2020-07-07 10:53:03,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:03,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326596763] [2020-07-07 10:53:03,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,766 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 24 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-07-07 10:53:04,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326596763] [2020-07-07 10:53:04,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191790656] [2020-07-07 10:53:04,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:04,680 INFO L264 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:53:04,688 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 227 proven. 49 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-07-07 10:53:05,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:05,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 27 [2020-07-07 10:53:05,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275107813] [2020-07-07 10:53:05,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 10:53:05,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:05,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 10:53:05,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:53:05,036 INFO L87 Difference]: Start difference. First operand 1082 states and 1243 transitions. Second operand 27 states. [2020-07-07 10:53:05,831 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:06,645 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:08,048 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:08,365 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:08,652 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:09,802 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:53:10,869 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-07 10:53:11,412 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-07-07 10:53:11,919 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:53:12,406 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:53:13,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:13,384 INFO L93 Difference]: Finished difference Result 1212 states and 1418 transitions. [2020-07-07 10:53:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-07 10:53:13,385 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 388 [2020-07-07 10:53:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:13,386 INFO L225 Difference]: With dead ends: 1212 [2020-07-07 10:53:13,387 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:53:13,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=623, Invalid=2683, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 10:53:13,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:53:13,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:53:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:53:13,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:53:13,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-07-07 10:53:13,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:13,393 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:53:13,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 10:53:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:53:13,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:53:13,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:53:13,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:53:13,881 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 239 [2020-07-07 10:53:15,199 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 311 [2020-07-07 10:53:15,721 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 246 [2020-07-07 10:53:19,216 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 296 [2020-07-07 10:53:20,034 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 302 [2020-07-07 10:53:20,970 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-07 10:53:22,148 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-07 10:53:22,335 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-07 10:53:22,731 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-07 10:53:23,322 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 32 [2020-07-07 10:53:23,861 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2020-07-07 10:53:24,012 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-07 10:53:24,572 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 31 [2020-07-07 10:53:24,882 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 31 [2020-07-07 10:53:25,039 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-07 10:53:25,226 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:53:25,413 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:53:25,619 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:26,262 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-07 10:53:27,556 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 214 DAG size of output: 42 [2020-07-07 10:53:27,719 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-07 10:53:27,972 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-07 10:53:29,179 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 200 DAG size of output: 35 [2020-07-07 10:53:30,306 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 170 DAG size of output: 33 [2020-07-07 10:53:30,496 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:53:30,674 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:53:32,003 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 182 DAG size of output: 36 [2020-07-07 10:53:32,174 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-07 10:53:32,519 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-07-07 10:53:33,666 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 201 DAG size of output: 34 [2020-07-07 10:53:33,861 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:53:35,045 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-07 10:53:35,221 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:53:35,408 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:53:36,194 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 21 [2020-07-07 10:53:36,779 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 31 [2020-07-07 10:53:37,241 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 52 [2020-07-07 10:53:37,427 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-07 10:53:37,635 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:53:37,846 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:53:38,879 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-07 10:53:39,056 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:53:39,247 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:53:39,434 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-07 10:53:39,629 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:53:40,731 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-07 10:53:41,411 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2020-07-07 10:53:42,017 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 32 [2020-07-07 10:53:42,599 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 30 [2020-07-07 10:53:42,806 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-07 10:53:43,242 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-07-07 10:53:43,455 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-07 10:53:43,649 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:53:44,643 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 33 [2020-07-07 10:53:44,775 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-07 10:53:44,779 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-07 10:53:44,780 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-07-07 10:53:44,780 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-07 10:53:44,780 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-07-07 10:53:44,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-07-07 10:53:44,780 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-07-07 10:53:44,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-07-07 10:53:44,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-07-07 10:53:44,781 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 10:53:44,782 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-07 10:53:44,782 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-07 10:53:44,782 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-07 10:53:44,782 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-07 10:53:44,782 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-07 10:53:44,783 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-07 10:53:44,783 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,783 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2020-07-07 10:53:44,783 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2020-07-07 10:53:44,784 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3))) [2020-07-07 10:53:44,784 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2020-07-07 10:53:44,784 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-07 10:53:44,784 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2020-07-07 10:53:44,784 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 (not (<= ~waterLevel~0 0)) .cse3) (or .cse6 .cse5 .cse4 .cse3) (or .cse6 .cse2 .cse3))) [2020-07-07 10:53:44,784 INFO L268 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-07-07 10:53:44,785 INFO L268 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-07-07 10:53:44,785 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0)) (.cse5 (not (= 1 ~waterLevel~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse6 .cse7 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 .cse1 .cse7 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3))) [2020-07-07 10:53:44,785 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-07 10:53:44,785 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-07 10:53:44,785 INFO L268 CegarLoopResult]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2020-07-07 10:53:44,785 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-07 10:53:44,785 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-07 10:53:44,786 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2020-07-07 10:53:44,786 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2020-07-07 10:53:44,786 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,786 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2020-07-07 10:53:44,786 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,787 INFO L264 CegarLoopResult]: At program point L178-1(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,787 INFO L268 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-07-07 10:53:44,787 INFO L268 CegarLoopResult]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2020-07-07 10:53:44,787 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-07 10:53:44,787 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,787 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2020-07-07 10:53:44,787 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,788 INFO L264 CegarLoopResult]: At program point L172-1(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,788 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-07 10:53:44,788 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-07 10:53:44,788 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-07-07 10:53:44,788 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 10:53:44,788 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-07-07 10:53:44,788 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-07-07 10:53:44,788 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-07 10:53:44,789 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-07 10:53:44,790 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 10:53:44,790 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2020-07-07 10:53:44,790 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2020-07-07 10:53:44,790 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2020-07-07 10:53:44,790 INFO L268 CegarLoopResult]: For program point L989(lines 989 993) no Hoare annotation was computed. [2020-07-07 10:53:44,790 INFO L271 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: true [2020-07-07 10:53:44,790 INFO L268 CegarLoopResult]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2020-07-07 10:53:44,790 INFO L268 CegarLoopResult]: For program point L987-1(line 987) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point L944(lines 944 952) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 925 960) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 925 960) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 925 960) no Hoare annotation was computed. [2020-07-07 10:53:44,791 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-07-07 10:53:44,792 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,793 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2020-07-07 10:53:44,793 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2020-07-07 10:53:44,793 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-07-07 10:53:44,794 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2020-07-07 10:53:44,794 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2020-07-07 10:53:44,794 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2020-07-07 10:53:44,794 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:53:44,794 INFO L268 CegarLoopResult]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2020-07-07 10:53:44,794 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~7))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1) (or .cse5 .cse0 .cse1))) [2020-07-07 10:53:44,794 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-07 10:53:44,794 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2020-07-07 10:53:44,795 INFO L268 CegarLoopResult]: For program point L854(lines 854 862) no Hoare annotation was computed. [2020-07-07 10:53:44,795 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse0 .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1))) [2020-07-07 10:53:44,795 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 846 870) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse2) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2))) [2020-07-07 10:53:44,795 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-07 10:53:44,795 INFO L268 CegarLoopResult]: For program point L850(lines 850 867) no Hoare annotation was computed. [2020-07-07 10:53:44,795 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2020-07-07 10:53:44,795 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2020-07-07 10:53:44,796 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse4 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not .cse2))) [2020-07-07 10:53:44,796 INFO L264 CegarLoopResult]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse4 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not .cse2))) [2020-07-07 10:53:44,796 INFO L264 CegarLoopResult]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,796 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-07-07 10:53:44,796 INFO L268 CegarLoopResult]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2020-07-07 10:53:44,796 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-07-07 10:53:44,796 INFO L268 CegarLoopResult]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2020-07-07 10:53:44,797 INFO L264 CegarLoopResult]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,797 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-07 10:53:44,797 INFO L264 CegarLoopResult]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) (not (= 1 ~systemActive~0)))) [2020-07-07 10:53:44,797 INFO L268 CegarLoopResult]: For program point L726(lines 725 770) no Hoare annotation was computed. [2020-07-07 10:53:44,797 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-07-07 10:53:44,797 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) (not (= 1 ~systemActive~0)))) [2020-07-07 10:53:44,797 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-07-07 10:53:44,797 INFO L268 CegarLoopResult]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-07-07 10:53:44,798 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,798 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 243 265) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 243 265) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 243 265) no Hoare annotation was computed. [2020-07-07 10:53:44,799 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-07-07 10:53:44,800 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-07-07 10:53:44,801 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:53:44,802 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:53:44,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:53:44,802 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2020-07-07 10:53:44,802 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,802 INFO L268 CegarLoopResult]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2020-07-07 10:53:44,802 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 896) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,802 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-07-07 10:53:44,803 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:53:44,803 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-07-07 10:53:44,803 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2020-07-07 10:53:44,803 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-07 10:53:44,803 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-07 10:53:44,803 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2020-07-07 10:53:44,803 INFO L268 CegarLoopResult]: For program point L970(lines 970 974) no Hoare annotation was computed. [2020-07-07 10:53:44,803 INFO L271 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: true [2020-07-07 10:53:44,803 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2020-07-07 10:53:44,804 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-07 10:53:44,804 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2020-07-07 10:53:44,804 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2020-07-07 10:53:44,804 INFO L268 CegarLoopResult]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2020-07-07 10:53:44,804 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse1 (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3))) [2020-07-07 10:53:44,804 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2020-07-07 10:53:44,804 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:53:44,805 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:53:44,805 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:53:44,805 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or (and .cse0 .cse9) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse7 .cse8 .cse1) .cse4))) [2020-07-07 10:53:44,805 INFO L264 CegarLoopResult]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1) (and .cse7 .cse8 .cse1) .cse4) (or (and .cse0 .cse9) (and .cse9 (<= 1 ~pumpRunning~0)) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4))) [2020-07-07 10:53:44,805 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))))) [2020-07-07 10:53:44,805 INFO L268 CegarLoopResult]: For program point L792(lines 788 810) no Hoare annotation was computed. [2020-07-07 10:53:44,806 INFO L268 CegarLoopResult]: For program point L790(lines 788 810) no Hoare annotation was computed. [2020-07-07 10:53:44,806 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4 .cse5 .cse2 (not (<= 0 |old(~waterLevel~0)|))) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-07-07 10:53:44,806 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2020-07-07 10:53:44,806 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2020-07-07 10:53:44,806 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-07-07 10:53:44,806 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-07-07 10:53:44,806 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-07-07 10:53:44,806 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-07-07 10:53:44,806 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-07-07 10:53:44,807 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-07-07 10:53:44,807 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-07-07 10:53:44,807 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-07 10:53:44,807 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-07-07 10:53:44,807 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-07 10:53:44,807 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2020-07-07 10:53:44,807 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2020-07-07 10:53:44,807 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2020-07-07 10:53:44,807 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 198 209) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= 0 |old(~waterLevel~0)|))) [2020-07-07 10:53:44,808 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2020-07-07 10:53:44,808 INFO L268 CegarLoopResult]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2020-07-07 10:53:44,808 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-07-07 10:53:44,808 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-07-07 10:53:44,808 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:53:44,808 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:53:44,808 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:53:44,808 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:53:44,808 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse2) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2))) [2020-07-07 10:53:44,809 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:53:44,809 INFO L268 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-07-07 10:53:44,809 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2020-07-07 10:53:44,809 INFO L264 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:53:44,809 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-07 10:53:44,809 INFO L268 CegarLoopResult]: For program point L824(lines 824 841) no Hoare annotation was computed. [2020-07-07 10:53:44,809 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse0 .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1))) [2020-07-07 10:53:44,810 INFO L268 CegarLoopResult]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2020-07-07 10:53:44,810 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse4 (not (= 2 ~waterLevel~0)) .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:53:44,810 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2020-07-07 10:53:44,810 INFO L268 CegarLoopResult]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2020-07-07 10:53:44,810 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 210 221) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))) (or (= 2 ~waterLevel~0) .cse4 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse7 .cse5 .cse3) (or .cse1 .cse7 .cse6 .cse3))) [2020-07-07 10:53:44,810 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:53:44,811 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:53:44,811 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:53:44,811 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:53:44,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:53:44 BoogieIcfgContainer [2020-07-07 10:53:44,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:53:44,830 INFO L168 Benchmark]: Toolchain (without parser) took 114431.63 ms. Allocated memory was 144.7 MB in the beginning and 1.1 GB in the end (delta: 967.8 MB). Free memory was 101.8 MB in the beginning and 591.7 MB in the end (delta: -490.0 MB). Peak memory consumption was 998.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:44,831 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:53:44,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.83 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 170.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:44,831 INFO L168 Benchmark]: Boogie Preprocessor took 85.70 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 166.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:44,832 INFO L168 Benchmark]: RCFGBuilder took 1194.66 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 193.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:44,832 INFO L168 Benchmark]: TraceAbstraction took 112361.24 ms. Allocated memory was 234.4 MB in the beginning and 1.1 GB in the end (delta: 878.2 MB). Free memory was 193.7 MB in the beginning and 591.7 MB in the end (delta: -398.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-07-07 10:53:44,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.83 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 170.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.70 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 166.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1194.66 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 193.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 112361.24 ms. Allocated memory was 234.4 MB in the beginning and 1.1 GB in the end (delta: 878.2 MB). Free memory was 193.7 MB in the beginning and 591.7 MB in the end (delta: -398.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel <= 1) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.0s, OverallIterations: 13, TraceHistogramMax: 9, AutomataDifference: 67.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2288 SDtfs, 6803 SDslu, 4591 SDs, 0 SdLazy, 18696 SolverSat, 4759 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2720 GetRequests, 2321 SyntacticMatches, 8 SemanticMatches, 391 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4310 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1082occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1167 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2241 PreInvPairs, 2322 NumberOfFragments, 2494 HoareAnnotationTreeSize, 2241 FomulaSimplifications, 816670924 FormulaSimplificationTreeSizeReduction, 6.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 387350 FormulaSimplificationTreeSizeReductionInter, 24.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 3723 NumberOfCodeBlocks, 3723 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3705 ConstructedInterpolants, 0 QuantifiedInterpolants, 2169478 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6341 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 2883/3088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...