/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:47:29,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:47:29,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:47:29,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:47:29,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:47:29,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:47:29,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:47:29,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:47:29,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:47:29,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:47:29,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:47:29,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:47:29,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:47:29,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:47:29,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:47:29,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:47:29,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:47:29,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:47:29,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:47:29,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:47:29,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:47:29,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:47:29,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:47:29,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:47:29,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:47:29,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:47:29,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:47:29,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:47:29,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:47:29,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:47:29,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:47:29,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:47:29,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:47:29,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:47:29,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:47:29,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:47:29,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:47:29,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:47:29,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:47:29,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:47:29,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:47:29,215 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 10:47:29,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:47:29,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:47:29,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:47:29,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:47:29,231 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:47:29,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:47:29,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:47:29,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:47:29,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:47:29,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:47:29,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:47:29,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:47:29,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:47:29,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:47:29,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:47:29,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:47:29,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:47:29,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:47:29,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:47:29,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:47:29,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:47:29,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:47:29,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:47:29,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:47:29,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:47:29,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:47:29,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:47:29,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:47:29,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:47:29,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:47:29,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:47:29,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:47:29,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:47:29,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:47:29,542 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:47:29,542 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2020-07-07 10:47:29,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d49e3bc/1fdb47225b744ea2b718e73a0b7b6da8/FLAG6b16cfa22 [2020-07-07 10:47:30,146 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:47:30,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2020-07-07 10:47:30,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d49e3bc/1fdb47225b744ea2b718e73a0b7b6da8/FLAG6b16cfa22 [2020-07-07 10:47:30,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d49e3bc/1fdb47225b744ea2b718e73a0b7b6da8 [2020-07-07 10:47:30,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:47:30,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:47:30,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:47:30,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:47:30,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:47:30,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af4d6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30, skipping insertion in model container [2020-07-07 10:47:30,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:47:30,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:47:30,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:47:30,997 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:47:31,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:47:31,141 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:47:31,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31 WrapperNode [2020-07-07 10:47:31,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:47:31,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:47:31,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:47:31,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:47:31,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (1/1) ... [2020-07-07 10:47:31,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (1/1) ... [2020-07-07 10:47:31,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (1/1) ... [2020-07-07 10:47:31,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (1/1) ... [2020-07-07 10:47:31,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (1/1) ... [2020-07-07 10:47:31,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (1/1) ... [2020-07-07 10:47:31,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (1/1) ... [2020-07-07 10:47:31,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:47:31,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:47:31,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:47:31,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:47:31,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (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 10:47:31,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:47:31,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:47:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:47:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:47:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:47:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:47:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:47:31,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:47:31,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:47:31,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:47:31,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:47:31,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:47:31,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:47:31,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:47:31,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:47:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:47:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:47:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:47:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:47:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:47:31,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:47:31,309 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:47:31,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:47:31,310 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:47:31,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:47:31,310 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:47:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:47:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:47:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:47:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:47:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:47:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:47:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:47:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:47:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:47:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:47:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:47:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:47:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:47:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:47:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:47:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:47:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:47:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:47:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:47:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:47:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:47:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:47:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:47:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:47:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:47:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:47:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:47:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:47:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:47:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:47:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:47:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:47:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:47:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:47:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:47:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:47:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:47:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:47:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:47:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:47:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:47:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:47:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:47:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:47:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:47:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:47:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:47:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:47:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:47:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:47:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:47:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:47:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:47:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:47:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:47:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:47:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:47:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:47:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:47:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:47:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:47:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:47:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:47:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:47:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:47:32,441 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:47:32,441 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:47:32,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:47:32 BoogieIcfgContainer [2020-07-07 10:47:32,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:47:32,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:47:32,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:47:32,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:47:32,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:47:30" (1/3) ... [2020-07-07 10:47:32,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab9dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:47:32, skipping insertion in model container [2020-07-07 10:47:32,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:31" (2/3) ... [2020-07-07 10:47:32,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab9dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:47:32, skipping insertion in model container [2020-07-07 10:47:32,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:47:32" (3/3) ... [2020-07-07 10:47:32,456 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2020-07-07 10:47:32,467 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:47:32,476 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:47:32,491 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:47:32,517 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:47:32,518 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:47:32,518 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:47:32,518 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:47:32,518 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:47:32,519 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:47:32,519 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:47:32,519 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:47:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-07 10:47:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:47:32,554 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:32,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:32,556 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:32,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:32,563 INFO L82 PathProgramCache]: Analyzing trace with hash -589768967, now seen corresponding path program 1 times [2020-07-07 10:47:32,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:32,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416041057] [2020-07-07 10:47:32,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,263 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:33,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416041057] [2020-07-07 10:47:33,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:33,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:47:33,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449595986] [2020-07-07 10:47:33,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:47:33,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:33,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:47:33,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:47:33,413 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2020-07-07 10:47:34,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:34,741 INFO L93 Difference]: Finished difference Result 343 states and 441 transitions. [2020-07-07 10:47:34,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:47:34,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:47:34,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:34,759 INFO L225 Difference]: With dead ends: 343 [2020-07-07 10:47:34,759 INFO L226 Difference]: Without dead ends: 185 [2020-07-07 10:47:34,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:47:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-07 10:47:34,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 149. [2020-07-07 10:47:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-07 10:47:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2020-07-07 10:47:34,891 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46 [2020-07-07 10:47:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:34,893 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2020-07-07 10:47:34,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:47:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2020-07-07 10:47:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:47:34,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:34,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:34,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:47:34,906 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:34,906 INFO L82 PathProgramCache]: Analyzing trace with hash -211037911, now seen corresponding path program 1 times [2020-07-07 10:47:34,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:34,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788308965] [2020-07-07 10:47:34,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,306 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:35,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788308965] [2020-07-07 10:47:35,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:35,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:47:35,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156238727] [2020-07-07 10:47:35,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:47:35,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:35,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:47:35,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:47:35,350 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 4 states. [2020-07-07 10:47:35,809 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:36,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:36,801 INFO L93 Difference]: Finished difference Result 270 states and 324 transitions. [2020-07-07 10:47:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:47:36,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:47:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:36,805 INFO L225 Difference]: With dead ends: 270 [2020-07-07 10:47:36,805 INFO L226 Difference]: Without dead ends: 169 [2020-07-07 10:47:36,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:47:36,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-07 10:47:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 140. [2020-07-07 10:47:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-07 10:47:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2020-07-07 10:47:36,852 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47 [2020-07-07 10:47:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:36,852 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2020-07-07 10:47:36,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:47:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2020-07-07 10:47:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:47:36,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:36,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:36,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:47:36,855 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:36,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:36,855 INFO L82 PathProgramCache]: Analyzing trace with hash 607971640, now seen corresponding path program 1 times [2020-07-07 10:47:36,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:36,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421645502] [2020-07-07 10:47:36,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,223 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:37,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421645502] [2020-07-07 10:47:37,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:37,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:47:37,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989983610] [2020-07-07 10:47:37,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:47:37,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:37,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:47:37,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:47:37,343 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 8 states. [2020-07-07 10:47:37,764 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:38,058 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:38,323 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:38,552 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:39,278 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:41,297 INFO L93 Difference]: Finished difference Result 476 states and 582 transitions. [2020-07-07 10:47:41,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:47:41,297 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:47:41,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:41,302 INFO L225 Difference]: With dead ends: 476 [2020-07-07 10:47:41,302 INFO L226 Difference]: Without dead ends: 360 [2020-07-07 10:47:41,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:47:41,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-07 10:47:41,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 298. [2020-07-07 10:47:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-07 10:47:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 356 transitions. [2020-07-07 10:47:41,423 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 356 transitions. Word has length 51 [2020-07-07 10:47:41,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:41,424 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 356 transitions. [2020-07-07 10:47:41,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:47:41,424 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 356 transitions. [2020-07-07 10:47:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:47:41,426 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:41,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:41,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:47:41,427 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:41,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:41,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1795694260, now seen corresponding path program 1 times [2020-07-07 10:47:41,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:41,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578976940] [2020-07-07 10:47:41,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,747 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:41,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578976940] [2020-07-07 10:47:41,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:41,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:47:41,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593128439] [2020-07-07 10:47:41,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:47:41,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:41,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:47:41,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:41,922 INFO L87 Difference]: Start difference. First operand 298 states and 356 transitions. Second operand 12 states. [2020-07-07 10:47:42,417 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:42,745 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:43,000 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:43,230 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:43,796 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:44,617 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:45,013 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:45,392 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:45,652 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:47:45,931 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:46,291 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:46,692 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:47,046 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:49,011 INFO L93 Difference]: Finished difference Result 1213 states and 1632 transitions. [2020-07-07 10:47:49,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:47:49,012 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:47:49,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:49,020 INFO L225 Difference]: With dead ends: 1213 [2020-07-07 10:47:49,020 INFO L226 Difference]: Without dead ends: 939 [2020-07-07 10:47:49,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:47:49,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-07-07 10:47:49,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 842. [2020-07-07 10:47:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-07-07 10:47:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1054 transitions. [2020-07-07 10:47:49,207 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1054 transitions. Word has length 57 [2020-07-07 10:47:49,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:49,208 INFO L479 AbstractCegarLoop]: Abstraction has 842 states and 1054 transitions. [2020-07-07 10:47:49,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:47:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1054 transitions. [2020-07-07 10:47:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:47:49,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:49,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:49,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:47:49,212 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:49,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2070558330, now seen corresponding path program 1 times [2020-07-07 10:47:49,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:49,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989391365] [2020-07-07 10:47:49,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,450 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:49,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989391365] [2020-07-07 10:47:49,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:49,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:47:49,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123533302] [2020-07-07 10:47:49,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:47:49,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:49,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:47:49,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:47:49,569 INFO L87 Difference]: Start difference. First operand 842 states and 1054 transitions. Second operand 6 states. [2020-07-07 10:47:49,946 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:51,744 INFO L93 Difference]: Finished difference Result 1979 states and 2649 transitions. [2020-07-07 10:47:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:47:51,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:47:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:51,753 INFO L225 Difference]: With dead ends: 1979 [2020-07-07 10:47:51,753 INFO L226 Difference]: Without dead ends: 1161 [2020-07-07 10:47:51,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:47:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-07-07 10:47:52,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1074. [2020-07-07 10:47:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-07-07 10:47:52,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1340 transitions. [2020-07-07 10:47:52,026 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1340 transitions. Word has length 61 [2020-07-07 10:47:52,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:52,026 INFO L479 AbstractCegarLoop]: Abstraction has 1074 states and 1340 transitions. [2020-07-07 10:47:52,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:47:52,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1340 transitions. [2020-07-07 10:47:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:47:52,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:52,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:52,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:47:52,031 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:52,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:52,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1347234794, now seen corresponding path program 1 times [2020-07-07 10:47:52,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:52,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053186119] [2020-07-07 10:47:52,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,382 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 10:47:52,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053186119] [2020-07-07 10:47:52,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838849757] [2020-07-07 10:47:52,546 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 10:47:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,744 INFO L264 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:47:52,766 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:47:52,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:47:52,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:47:52,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730047435] [2020-07-07 10:47:52,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:47:52,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:52,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:47:52,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:52,880 INFO L87 Difference]: Start difference. First operand 1074 states and 1340 transitions. Second operand 12 states. [2020-07-07 10:47:53,900 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:47:54,476 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:56,697 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:57,063 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:48:00,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:00,156 INFO L93 Difference]: Finished difference Result 2802 states and 3781 transitions. [2020-07-07 10:48:00,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-07 10:48:00,157 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-07 10:48:00,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:00,173 INFO L225 Difference]: With dead ends: 2802 [2020-07-07 10:48:00,173 INFO L226 Difference]: Without dead ends: 2029 [2020-07-07 10:48:00,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 10:48:00,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2020-07-07 10:48:00,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1871. [2020-07-07 10:48:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2020-07-07 10:48:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2367 transitions. [2020-07-07 10:48:00,651 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2367 transitions. Word has length 88 [2020-07-07 10:48:00,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:00,654 INFO L479 AbstractCegarLoop]: Abstraction has 1871 states and 2367 transitions. [2020-07-07 10:48:00,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:48:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2367 transitions. [2020-07-07 10:48:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-07 10:48:00,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:00,661 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:48:00,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:48:00,875 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:00,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:00,875 INFO L82 PathProgramCache]: Analyzing trace with hash 321074684, now seen corresponding path program 1 times [2020-07-07 10:48:00,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:00,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861860932] [2020-07-07 10:48:00,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,169 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 10:48:01,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861860932] [2020-07-07 10:48:01,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183419751] [2020-07-07 10:48:01,415 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 10:48:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:01,640 INFO L264 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:48:01,659 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-07 10:48:01,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:01,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2020-07-07 10:48:01,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995103684] [2020-07-07 10:48:01,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:48:01,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:01,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:48:01,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:48:01,761 INFO L87 Difference]: Start difference. First operand 1871 states and 2367 transitions. Second operand 6 states. [2020-07-07 10:48:02,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:02,277 INFO L93 Difference]: Finished difference Result 1914 states and 2421 transitions. [2020-07-07 10:48:02,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:48:02,278 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2020-07-07 10:48:02,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:02,289 INFO L225 Difference]: With dead ends: 1914 [2020-07-07 10:48:02,289 INFO L226 Difference]: Without dead ends: 1911 [2020-07-07 10:48:02,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:48:02,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2020-07-07 10:48:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1871. [2020-07-07 10:48:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2020-07-07 10:48:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2355 transitions. [2020-07-07 10:48:02,735 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2355 transitions. Word has length 143 [2020-07-07 10:48:02,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:02,736 INFO L479 AbstractCegarLoop]: Abstraction has 1871 states and 2355 transitions. [2020-07-07 10:48:02,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:48:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2355 transitions. [2020-07-07 10:48:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-07 10:48:02,741 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:02,741 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:48:02,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:02,957 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:02,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:02,958 INFO L82 PathProgramCache]: Analyzing trace with hash 451157407, now seen corresponding path program 1 times [2020-07-07 10:48:02,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:02,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518138005] [2020-07-07 10:48:02,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,271 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 10:48:03,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518138005] [2020-07-07 10:48:03,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603572445] [2020-07-07 10:48:03,466 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 10:48:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,655 INFO L264 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:48:03,661 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 10:48:03,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:03,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-07 10:48:03,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442049317] [2020-07-07 10:48:03,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:48:03,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:03,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:48:03,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:48:03,719 INFO L87 Difference]: Start difference. First operand 1871 states and 2355 transitions. Second operand 6 states. [2020-07-07 10:48:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:04,145 INFO L93 Difference]: Finished difference Result 3774 states and 4996 transitions. [2020-07-07 10:48:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:48:04,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2020-07-07 10:48:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:04,157 INFO L225 Difference]: With dead ends: 3774 [2020-07-07 10:48:04,158 INFO L226 Difference]: Without dead ends: 1927 [2020-07-07 10:48:04,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:48:04,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2020-07-07 10:48:04,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1911. [2020-07-07 10:48:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1911 states. [2020-07-07 10:48:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2403 transitions. [2020-07-07 10:48:04,530 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2403 transitions. Word has length 147 [2020-07-07 10:48:04,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:04,533 INFO L479 AbstractCegarLoop]: Abstraction has 1911 states and 2403 transitions. [2020-07-07 10:48:04,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:48:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2403 transitions. [2020-07-07 10:48:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-07 10:48:04,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:04,541 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:48:04,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:04,756 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:04,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:04,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1455245859, now seen corresponding path program 1 times [2020-07-07 10:48:04,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:04,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361382313] [2020-07-07 10:48:04,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,068 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 10:48:05,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361382313] [2020-07-07 10:48:05,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499136791] [2020-07-07 10:48:05,281 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 10:48:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:05,470 INFO L264 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-07 10:48:05,474 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 10:48:05,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:05,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2020-07-07 10:48:05,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510644754] [2020-07-07 10:48:05,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:48:05,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:05,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:48:05,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:48:05,564 INFO L87 Difference]: Start difference. First operand 1911 states and 2403 transitions. Second operand 5 states. [2020-07-07 10:48:05,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:05,836 INFO L93 Difference]: Finished difference Result 3420 states and 4400 transitions. [2020-07-07 10:48:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:48:05,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-07-07 10:48:05,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:05,848 INFO L225 Difference]: With dead ends: 3420 [2020-07-07 10:48:05,848 INFO L226 Difference]: Without dead ends: 1533 [2020-07-07 10:48:05,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:48:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-07-07 10:48:06,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2020-07-07 10:48:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-07-07 10:48:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1901 transitions. [2020-07-07 10:48:06,142 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1901 transitions. Word has length 147 [2020-07-07 10:48:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:06,143 INFO L479 AbstractCegarLoop]: Abstraction has 1533 states and 1901 transitions. [2020-07-07 10:48:06,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:48:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1901 transitions. [2020-07-07 10:48:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-07 10:48:06,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:06,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:48:06,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:06,361 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:06,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:06,361 INFO L82 PathProgramCache]: Analyzing trace with hash 154971906, now seen corresponding path program 1 times [2020-07-07 10:48:06,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:06,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584091001] [2020-07-07 10:48:06,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,664 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 10:48:06,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584091001] [2020-07-07 10:48:06,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648765493] [2020-07-07 10:48:06,907 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 10:48:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,151 INFO L264 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:48:07,156 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:48:07,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:48:07,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 14 [2020-07-07 10:48:07,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366145247] [2020-07-07 10:48:07,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 10:48:07,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:07,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 10:48:07,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:48:07,345 INFO L87 Difference]: Start difference. First operand 1533 states and 1901 transitions. Second operand 14 states. [2020-07-07 10:48:08,076 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:48:08,742 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:48:09,500 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-07 10:48:09,785 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:48:10,051 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:48:10,507 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-07 10:48:10,861 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:48:11,147 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:48:13,161 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:48:14,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:14,221 INFO L93 Difference]: Finished difference Result 3150 states and 4180 transitions. [2020-07-07 10:48:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:48:14,222 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2020-07-07 10:48:14,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:14,233 INFO L225 Difference]: With dead ends: 3150 [2020-07-07 10:48:14,233 INFO L226 Difference]: Without dead ends: 1796 [2020-07-07 10:48:14,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 206 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2020-07-07 10:48:14,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2020-07-07 10:48:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1401. [2020-07-07 10:48:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1401 states. [2020-07-07 10:48:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1732 transitions. [2020-07-07 10:48:14,517 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1732 transitions. Word has length 151 [2020-07-07 10:48:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:14,518 INFO L479 AbstractCegarLoop]: Abstraction has 1401 states and 1732 transitions. [2020-07-07 10:48:14,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 10:48:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1732 transitions. [2020-07-07 10:48:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-07 10:48:14,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:14,524 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:14,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:48:14,739 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:14,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:14,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1326265885, now seen corresponding path program 2 times [2020-07-07 10:48:14,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:14,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885254797] [2020-07-07 10:48:14,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,077 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 52 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-07 10:48:15,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885254797] [2020-07-07 10:48:15,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199097031] [2020-07-07 10:48:15,557 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:15,798 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-07 10:48:15,798 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-07 10:48:15,802 INFO L264 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-07 10:48:15,806 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:15,871 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-07 10:48:15,871 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-07 10:48:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-07 10:48:15,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:15,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2020-07-07 10:48:15,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069908728] [2020-07-07 10:48:15,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:48:15,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:15,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:48:15,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:48:15,959 INFO L87 Difference]: Start difference. First operand 1401 states and 1732 transitions. Second operand 9 states. [2020-07-07 10:48:16,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:16,828 INFO L93 Difference]: Finished difference Result 3214 states and 4103 transitions. [2020-07-07 10:48:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:48:16,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-07-07 10:48:16,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:16,839 INFO L225 Difference]: With dead ends: 3214 [2020-07-07 10:48:16,839 INFO L226 Difference]: Without dead ends: 1860 [2020-07-07 10:48:16,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 261 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:48:16,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-07-07 10:48:17,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1841. [2020-07-07 10:48:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-07-07 10:48:17,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2255 transitions. [2020-07-07 10:48:17,153 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2255 transitions. Word has length 204 [2020-07-07 10:48:17,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:17,154 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2255 transitions. [2020-07-07 10:48:17,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:48:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2255 transitions. [2020-07-07 10:48:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-07 10:48:17,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:17,161 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:17,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:17,375 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:17,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:17,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1092218593, now seen corresponding path program 1 times [2020-07-07 10:48:17,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:17,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030771344] [2020-07-07 10:48:17,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,704 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-07-07 10:48:17,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030771344] [2020-07-07 10:48:17,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417198371] [2020-07-07 10:48:17,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:18,086 INFO L264 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 10:48:18,089 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-07 10:48:18,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:18,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-07 10:48:18,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752765052] [2020-07-07 10:48:18,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:48:18,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:18,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:48:18,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:48:18,187 INFO L87 Difference]: Start difference. First operand 1841 states and 2255 transitions. Second operand 6 states. [2020-07-07 10:48:18,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:18,365 INFO L93 Difference]: Finished difference Result 2471 states and 3034 transitions. [2020-07-07 10:48:18,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:48:18,366 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2020-07-07 10:48:18,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:18,367 INFO L225 Difference]: With dead ends: 2471 [2020-07-07 10:48:18,367 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:48:18,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:48:18,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:48:18,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:48:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:48:18,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:48:18,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2020-07-07 10:48:18,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:18,375 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:48:18,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:48:18,376 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:48:18,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:48:18,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:18,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:48:20,446 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 253 [2020-07-07 10:48:20,921 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-07-07 10:48:23,205 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 217 [2020-07-07 10:48:24,226 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 260 [2020-07-07 10:48:24,501 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 251 [2020-07-07 10:48:25,700 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 252 [2020-07-07 10:48:26,669 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-07-07 10:48:26,780 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:48:26,993 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 11 [2020-07-07 10:48:27,299 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-07 10:48:27,657 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-07-07 10:48:28,017 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:28,144 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-07 10:48:28,350 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 25 [2020-07-07 10:48:28,479 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:48:28,737 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:48:29,483 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-07-07 10:48:29,650 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-07 10:48:30,121 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-07 10:48:30,536 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-07 10:48:30,908 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 15 [2020-07-07 10:48:31,124 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:31,242 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-07 10:48:31,736 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-07 10:48:32,267 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2020-07-07 10:48:32,722 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-07-07 10:48:33,199 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-07 10:48:33,335 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-07-07 10:48:33,495 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:48:34,150 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 19 [2020-07-07 10:48:34,362 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2020-07-07 10:48:34,481 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-07 10:48:34,637 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-07 10:48:34,935 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 13 [2020-07-07 10:48:35,224 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 25 [2020-07-07 10:48:35,551 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 10 [2020-07-07 10:48:35,871 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-07-07 10:48:36,323 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:36,712 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:37,008 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 13 [2020-07-07 10:48:37,165 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:48:37,546 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:38,717 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-07-07 10:48:39,418 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 28 [2020-07-07 10:48:39,989 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 16 [2020-07-07 10:48:40,326 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-07 10:48:40,447 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:48:40,826 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:41,033 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 25 [2020-07-07 10:48:41,192 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:48:41,483 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 22 [2020-07-07 10:48:41,911 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 13 [2020-07-07 10:48:42,295 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:42,705 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-07 10:48:42,980 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-07-07 10:48:43,127 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-07 10:48:43,767 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 26 [2020-07-07 10:48:43,772 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-07-07 10:48:43,772 INFO L268 CegarLoopResult]: For program point L702-2(lines 702 723) no Hoare annotation was computed. [2020-07-07 10:48:43,772 INFO L268 CegarLoopResult]: For program point L724(lines 701 725) no Hoare annotation was computed. [2020-07-07 10:48:43,772 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 677 732) no Hoare annotation was computed. [2020-07-07 10:48:43,772 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 677 732) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point L708(lines 708 712) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point L708-1(lines 708 712) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 677 732) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point L765-1(lines 765 769) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 733 792) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 784) no Hoare annotation was computed. [2020-07-07 10:48:43,773 INFO L268 CegarLoopResult]: For program point L785(lines 758 786) no Hoare annotation was computed. [2020-07-07 10:48:43,774 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 733 792) no Hoare annotation was computed. [2020-07-07 10:48:43,774 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-07 10:48:43,774 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 733 792) no Hoare annotation was computed. [2020-07-07 10:48:43,774 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-07 10:48:43,774 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-07 10:48:43,774 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-07 10:48:43,774 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:48:43,775 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-07 10:48:43,775 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:48:43,775 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-07 10:48:43,775 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2020-07-07 10:48:43,775 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-07-07 10:48:43,776 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-07 10:48:43,776 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-07-07 10:48:43,776 INFO L268 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2020-07-07 10:48:43,776 INFO L268 CegarLoopResult]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2020-07-07 10:48:43,776 INFO L271 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: true [2020-07-07 10:48:43,776 INFO L268 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-07-07 10:48:43,776 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2020-07-07 10:48:43,777 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:43,777 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2020-07-07 10:48:43,777 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (and (= main_~tmp~7 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:43,777 INFO L264 CegarLoopResult]: At program point L501-1(line 501) the Hoare annotation is: (or (and (= main_~tmp~7 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:43,777 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-07-07 10:48:43,777 INFO L268 CegarLoopResult]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2020-07-07 10:48:43,777 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-07 10:48:43,778 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:43,778 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:43,779 INFO L264 CegarLoopResult]: At program point L495-1(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:43,779 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2020-07-07 10:48:43,779 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 448 471) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 448 471) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 448 471) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-07 10:48:43,780 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 10:48:43,781 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-07 10:48:43,782 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2020-07-07 10:48:43,782 INFO L264 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0)))) [2020-07-07 10:48:43,782 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse3 (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse2) (or (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) .cse1)))) [2020-07-07 10:48:43,782 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-07-07 10:48:43,782 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2020-07-07 10:48:43,782 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2020-07-07 10:48:43,782 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2020-07-07 10:48:43,782 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2020-07-07 10:48:43,782 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2020-07-07 10:48:43,783 INFO L271 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: true [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point L389-1(line 389) no Hoare annotation was computed. [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-07-07 10:48:43,783 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 327 362) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point L334(lines 334 342) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 327 362) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point L357-1(line 357) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 327 362) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-07 10:48:43,784 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-07 10:48:43,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 631 676) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 631 676) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 631 676) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point L958(lines 958 978) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point L958-1(lines 958 978) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 944 989) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 944 989) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 944 989) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L268 CegarLoopResult]: For program point L964(lines 964 971) no Hoare annotation was computed. [2020-07-07 10:48:43,785 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:43,786 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2020-07-07 10:48:43,786 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2020-07-07 10:48:43,786 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2020-07-07 10:48:43,786 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2020-07-07 10:48:43,786 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-07-07 10:48:43,786 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-07-07 10:48:43,786 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2020-07-07 10:48:43,786 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-07 10:48:43,786 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:48:43,786 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:48:43,787 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2020-07-07 10:48:43,787 INFO L268 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2020-07-07 10:48:43,787 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2020-07-07 10:48:43,787 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2020-07-07 10:48:43,787 INFO L268 CegarLoopResult]: For program point L256(lines 256 264) no Hoare annotation was computed. [2020-07-07 10:48:43,787 INFO L264 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-07 10:48:43,787 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-07 10:48:43,787 INFO L268 CegarLoopResult]: For program point L252(lines 252 269) no Hoare annotation was computed. [2020-07-07 10:48:43,787 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2020-07-07 10:48:43,788 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-07 10:48:43,788 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)) (= 0 ~systemActive~0)) [2020-07-07 10:48:43,788 INFO L268 CegarLoopResult]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2020-07-07 10:48:43,788 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-07-07 10:48:43,788 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~3))))) [2020-07-07 10:48:43,788 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2020-07-07 10:48:43,788 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2020-07-07 10:48:43,788 INFO L264 CegarLoopResult]: At program point testENTRY(lines 112 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:43,789 INFO L268 CegarLoopResult]: For program point L124(lines 124 128) no Hoare annotation was computed. [2020-07-07 10:48:43,789 INFO L268 CegarLoopResult]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2020-07-07 10:48:43,789 INFO L264 CegarLoopResult]: At program point L170(lines 121 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:43,789 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:43,789 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-07-07 10:48:43,789 INFO L264 CegarLoopResult]: At program point L158-1(lines 152 165) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:43,789 INFO L268 CegarLoopResult]: For program point L123(lines 122 169) no Hoare annotation was computed. [2020-07-07 10:48:43,790 INFO L268 CegarLoopResult]: For program point L152(lines 152 165) no Hoare annotation was computed. [2020-07-07 10:48:43,790 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:43,790 INFO L268 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-07-07 10:48:43,790 INFO L268 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-07-07 10:48:43,790 INFO L264 CegarLoopResult]: At program point L167(lines 122 169) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:43,790 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:43,790 INFO L268 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 898 943) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point L918(lines 918 925) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 898 943) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 898 943) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point L912-1(lines 912 932) no Hoare annotation was computed. [2020-07-07 10:48:43,791 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-07 10:48:43,791 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 560 582) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point L568(lines 568 576) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point L568-2(lines 568 576) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 560 582) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 560 582) no Hoare annotation was computed. [2020-07-07 10:48:43,792 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point L865(lines 843 866) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 795 897) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point L824(lines 824 840) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point L884(lines 884 891) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point L845(lines 844 864) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-07 10:48:43,793 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point L841(lines 841 882) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 795 897) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point L819(lines 819 823) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point L883(lines 883 894) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 795 897) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point L844-2(lines 844 864) no Hoare annotation was computed. [2020-07-07 10:48:43,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:43,795 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~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.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~string39.base| |old(#t~string39.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:48:43,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:43,795 INFO L268 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2020-07-07 10:48:43,795 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-07 10:48:43,795 INFO L268 CegarLoopResult]: For program point L287-1(line 287) no Hoare annotation was computed. [2020-07-07 10:48:43,795 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2020-07-07 10:48:43,796 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-07 10:48:43,796 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-07 10:48:43,796 INFO L268 CegarLoopResult]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2020-07-07 10:48:43,796 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2020-07-07 10:48:43,796 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2020-07-07 10:48:43,796 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2020-07-07 10:48:43,796 INFO L268 CegarLoopResult]: For program point L370-1(line 370) no Hoare annotation was computed. [2020-07-07 10:48:43,797 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2020-07-07 10:48:43,797 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2020-07-07 10:48:43,797 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2020-07-07 10:48:43,797 INFO L268 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2020-07-07 10:48:43,797 INFO L271 CegarLoopResult]: At program point L370(line 370) the Hoare annotation is: true [2020-07-07 10:48:43,797 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2020-07-07 10:48:43,797 INFO L268 CegarLoopResult]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2020-07-07 10:48:43,797 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-07 10:48:43,797 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2020-07-07 10:48:43,797 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:43,798 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:48:43,798 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:43,798 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:48:43,798 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (not .cse0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-07 10:48:43,798 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2020-07-07 10:48:43,798 INFO L264 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (not .cse1) .cse2) (and .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) (let ((.cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (and .cse0 .cse4) (and .cse4 .cse3) (not (<= 2 |old(~waterLevel~0)|)))))) [2020-07-07 10:48:43,798 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2020-07-07 10:48:43,799 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)))) [2020-07-07 10:48:43,799 INFO L268 CegarLoopResult]: For program point L194(lines 193 212) no Hoare annotation was computed. [2020-07-07 10:48:43,799 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2020-07-07 10:48:43,799 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2020-07-07 10:48:43,799 INFO L271 CegarLoopResult]: At program point L443(lines 418 447) the Hoare annotation is: true [2020-07-07 10:48:43,799 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 10:48:43,799 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-07-07 10:48:43,799 INFO L271 CegarLoopResult]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2020-07-07 10:48:43,800 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-07 10:48:43,800 INFO L271 CegarLoopResult]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2020-07-07 10:48:43,800 INFO L271 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: true [2020-07-07 10:48:43,800 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-07-07 10:48:43,800 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2020-07-07 10:48:43,800 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2020-07-07 10:48:43,800 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2020-07-07 10:48:43,800 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (= 0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2020-07-07 10:48:43,800 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2020-07-07 10:48:43,800 INFO L268 CegarLoopResult]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2020-07-07 10:48:43,801 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2020-07-07 10:48:43,801 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2020-07-07 10:48:43,801 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:43,801 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 10:48:43,801 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:48:43,801 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:43,801 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-07 10:48:43,801 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2020-07-07 10:48:43,801 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-07 10:48:43,802 INFO L268 CegarLoopResult]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2020-07-07 10:48:43,802 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:48:43,802 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-07 10:48:43,802 INFO L268 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-07-07 10:48:43,802 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-07 10:48:43,802 INFO L268 CegarLoopResult]: For program point L228-1(line 228) no Hoare annotation was computed. [2020-07-07 10:48:43,802 INFO L268 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-07-07 10:48:43,802 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2020-07-07 10:48:43,803 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (= 0 ~systemActive~0) .cse0 .cse1) (or .cse0 .cse2 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse1))) [2020-07-07 10:48:43,803 INFO L268 CegarLoopResult]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2020-07-07 10:48:43,803 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2020-07-07 10:48:43,803 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2020-07-07 10:48:43,803 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2020-07-07 10:48:43,803 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2020-07-07 10:48:43,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:48:43 BoogieIcfgContainer [2020-07-07 10:48:43,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:48:43,823 INFO L168 Benchmark]: Toolchain (without parser) took 73332.07 ms. Allocated memory was 144.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 100.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-07 10:48:43,824 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:48:43,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.09 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 168.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:43,825 INFO L168 Benchmark]: Boogie Preprocessor took 91.01 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:43,825 INFO L168 Benchmark]: RCFGBuilder took 1213.51 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 193.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:43,826 INFO L168 Benchmark]: TraceAbstraction took 71373.53 ms. Allocated memory was 232.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 193.0 MB in the beginning and 1.1 GB in the end (delta: -940.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-07 10:48:43,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.09 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 168.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.01 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1213.51 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 193.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71373.53 ms. Allocated memory was 232.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 193.0 MB in the beginning and 1.1 GB in the end (delta: -940.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 46.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 32.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1968 SDtfs, 3616 SDslu, 4224 SDs, 0 SdLazy, 7658 SolverSat, 2547 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1719 GetRequests, 1519 SyntacticMatches, 14 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 995 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1911occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 939 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4667 PreInvPairs, 4819 NumberOfFragments, 1202 HoareAnnotationTreeSize, 4667 FomulaSimplifications, 493296 FormulaSimplificationTreeSizeReduction, 7.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 65059 FormulaSimplificationTreeSizeReductionInter, 17.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2430 NumberOfCodeBlocks, 2430 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2411 ConstructedInterpolants, 0 QuantifiedInterpolants, 793083 SizeOfPredicates, 20 NumberOfNonLiveVariables, 6279 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 626/698 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...