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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:08,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:08,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:08,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:08,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:08,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:08,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:08,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:08,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:08,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:08,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:08,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:08,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:08,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:08,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:08,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:08,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:08,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:08,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:08,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:08,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:08,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:08,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:08,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:08,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:08,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:08,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:08,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:08,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:08,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:08,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:08,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:08,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:08,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:08,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:08,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:08,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:08,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:08,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:08,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:08,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:08,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:08,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:08,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:08,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:08,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:08,287 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:08,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:08,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:08,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:08,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:08,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:08,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:08,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:08,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:08,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:08,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:08,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:08,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:08,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:08,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:08,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:08,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:08,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:08,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:08,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:08,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:08,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:08,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:08,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:08,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:08,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:08,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:08,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:08,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:08,599 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:08,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c [2019-10-15 01:20:08,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10602eb5c/67e6bae6cbe545bb9c793076ab8a1241/FLAG30fb60a62 [2019-10-15 01:20:09,251 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:09,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c [2019-10-15 01:20:09,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10602eb5c/67e6bae6cbe545bb9c793076ab8a1241/FLAG30fb60a62 [2019-10-15 01:20:09,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10602eb5c/67e6bae6cbe545bb9c793076ab8a1241 [2019-10-15 01:20:09,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:09,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:09,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:09,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:09,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:09,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af97dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09, skipping insertion in model container [2019-10-15 01:20:09,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,646 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:09,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:10,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:10,174 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:10,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:10,324 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:10,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10 WrapperNode [2019-10-15 01:20:10,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:10,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:10,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:10,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:10,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... [2019-10-15 01:20:10,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... [2019-10-15 01:20:10,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... [2019-10-15 01:20:10,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... [2019-10-15 01:20:10,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... [2019-10-15 01:20:10,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... [2019-10-15 01:20:10,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... [2019-10-15 01:20:10,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:10,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:10,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:10,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:10,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:20:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:20:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:11,604 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:11,605 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:11,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:11 BoogieIcfgContainer [2019-10-15 01:20:11,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:11,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:11,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:11,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:11,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:09" (1/3) ... [2019-10-15 01:20:11,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3445f505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:11, skipping insertion in model container [2019-10-15 01:20:11,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:10" (2/3) ... [2019-10-15 01:20:11,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3445f505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:11, skipping insertion in model container [2019-10-15 01:20:11,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:11" (3/3) ... [2019-10-15 01:20:11,618 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2019-10-15 01:20:11,628 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:11,639 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:11,650 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:11,681 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:11,682 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:11,682 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:11,682 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:11,682 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:11,682 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:11,682 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:11,683 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-15 01:20:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:11,716 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:11,717 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:11,719 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:11,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:11,725 INFO L82 PathProgramCache]: Analyzing trace with hash 694173544, now seen corresponding path program 1 times [2019-10-15 01:20:11,735 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:11,735 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643107330] [2019-10-15 01:20:11,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:12,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643107330] [2019-10-15 01:20:12,100 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,101 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:12,101 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103221943] [2019-10-15 01:20:12,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:12,118 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:12,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:12,136 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2019-10-15 01:20:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,180 INFO L93 Difference]: Finished difference Result 306 states and 377 transitions. [2019-10-15 01:20:12,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:12,182 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:12,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,196 INFO L225 Difference]: With dead ends: 306 [2019-10-15 01:20:12,196 INFO L226 Difference]: Without dead ends: 155 [2019-10-15 01:20:12,201 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-10-15 01:20:12,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-10-15 01:20:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-15 01:20:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2019-10-15 01:20:12,263 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 51 [2019-10-15 01:20:12,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,264 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2019-10-15 01:20:12,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2019-10-15 01:20:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:12,268 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,268 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:12,269 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1863175654, now seen corresponding path program 1 times [2019-10-15 01:20:12,269 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400855399] [2019-10-15 01:20:12,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:12,443 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400855399] [2019-10-15 01:20:12,443 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,443 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:12,443 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226495190] [2019-10-15 01:20:12,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:12,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:12,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:12,446 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 3 states. [2019-10-15 01:20:12,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,471 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2019-10-15 01:20:12,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:12,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:12,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,474 INFO L225 Difference]: With dead ends: 245 [2019-10-15 01:20:12,474 INFO L226 Difference]: Without dead ends: 146 [2019-10-15 01:20:12,476 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:12,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-15 01:20:12,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-15 01:20:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-15 01:20:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2019-10-15 01:20:12,507 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 52 [2019-10-15 01:20:12,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,508 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2019-10-15 01:20:12,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2019-10-15 01:20:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:12,512 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,512 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:12,512 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,513 INFO L82 PathProgramCache]: Analyzing trace with hash 284161781, now seen corresponding path program 1 times [2019-10-15 01:20:12,513 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784562126] [2019-10-15 01:20:12,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:12,698 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784562126] [2019-10-15 01:20:12,698 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,698 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:12,698 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137103277] [2019-10-15 01:20:12,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:12,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:12,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:12,702 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 7 states. [2019-10-15 01:20:13,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:13,330 INFO L93 Difference]: Finished difference Result 433 states and 524 transitions. [2019-10-15 01:20:13,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:13,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:13,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:13,338 INFO L225 Difference]: With dead ends: 433 [2019-10-15 01:20:13,338 INFO L226 Difference]: Without dead ends: 315 [2019-10-15 01:20:13,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:13,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-10-15 01:20:13,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 303. [2019-10-15 01:20:13,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2019-10-15 01:20:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 366 transitions. [2019-10-15 01:20:13,395 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 366 transitions. Word has length 57 [2019-10-15 01:20:13,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:13,396 INFO L462 AbstractCegarLoop]: Abstraction has 303 states and 366 transitions. [2019-10-15 01:20:13,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:13,396 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 366 transitions. [2019-10-15 01:20:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 01:20:13,401 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:13,401 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:13,401 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:13,402 INFO L82 PathProgramCache]: Analyzing trace with hash 367003092, now seen corresponding path program 1 times [2019-10-15 01:20:13,402 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:13,402 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847328848] [2019-10-15 01:20:13,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:13,538 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847328848] [2019-10-15 01:20:13,538 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:13,538 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:13,538 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587907962] [2019-10-15 01:20:13,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:13,539 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:13,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:13,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:13,540 INFO L87 Difference]: Start difference. First operand 303 states and 366 transitions. Second operand 6 states. [2019-10-15 01:20:13,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:13,784 INFO L93 Difference]: Finished difference Result 835 states and 1032 transitions. [2019-10-15 01:20:13,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:13,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-15 01:20:13,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:13,797 INFO L225 Difference]: With dead ends: 835 [2019-10-15 01:20:13,797 INFO L226 Difference]: Without dead ends: 560 [2019-10-15 01:20:13,802 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-15 01:20:13,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2019-10-15 01:20:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2019-10-15 01:20:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 672 transitions. [2019-10-15 01:20:13,880 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 672 transitions. Word has length 62 [2019-10-15 01:20:13,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:13,882 INFO L462 AbstractCegarLoop]: Abstraction has 554 states and 672 transitions. [2019-10-15 01:20:13,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 672 transitions. [2019-10-15 01:20:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:20:13,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:13,887 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:13,887 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:13,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:13,888 INFO L82 PathProgramCache]: Analyzing trace with hash -612062288, now seen corresponding path program 1 times [2019-10-15 01:20:13,888 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:13,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945118083] [2019-10-15 01:20:13,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945118083] [2019-10-15 01:20:14,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:14,053 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151796647] [2019-10-15 01:20:14,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:14,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:14,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:14,056 INFO L87 Difference]: Start difference. First operand 554 states and 672 transitions. Second operand 7 states. [2019-10-15 01:20:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,803 INFO L93 Difference]: Finished difference Result 1415 states and 1838 transitions. [2019-10-15 01:20:14,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:14,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-15 01:20:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,815 INFO L225 Difference]: With dead ends: 1415 [2019-10-15 01:20:14,815 INFO L226 Difference]: Without dead ends: 889 [2019-10-15 01:20:14,818 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:14,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2019-10-15 01:20:14,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 791. [2019-10-15 01:20:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-15 01:20:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2019-10-15 01:20:14,901 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 66 [2019-10-15 01:20:14,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,903 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2019-10-15 01:20:14,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2019-10-15 01:20:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:14,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,909 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:14,909 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,910 INFO L82 PathProgramCache]: Analyzing trace with hash 637474211, now seen corresponding path program 1 times [2019-10-15 01:20:14,910 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646463838] [2019-10-15 01:20:14,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:15,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646463838] [2019-10-15 01:20:15,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,033 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:15,033 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423512947] [2019-10-15 01:20:15,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:15,034 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:15,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:15,034 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 6 states. [2019-10-15 01:20:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,128 INFO L93 Difference]: Finished difference Result 1582 states and 1970 transitions. [2019-10-15 01:20:15,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:15,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-15 01:20:15,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,136 INFO L225 Difference]: With dead ends: 1582 [2019-10-15 01:20:15,136 INFO L226 Difference]: Without dead ends: 819 [2019-10-15 01:20:15,139 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:15,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-10-15 01:20:15,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2019-10-15 01:20:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-15 01:20:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2019-10-15 01:20:15,189 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 104 [2019-10-15 01:20:15,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,189 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2019-10-15 01:20:15,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2019-10-15 01:20:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:15,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,194 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:15,195 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1729220383, now seen corresponding path program 1 times [2019-10-15 01:20:15,195 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573762004] [2019-10-15 01:20:15,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:15,302 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573762004] [2019-10-15 01:20:15,302 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,303 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:15,303 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496852871] [2019-10-15 01:20:15,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:15,304 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:15,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:15,306 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 8 states. [2019-10-15 01:20:15,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,377 INFO L93 Difference]: Finished difference Result 1622 states and 2010 transitions. [2019-10-15 01:20:15,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:15,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-15 01:20:15,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,385 INFO L225 Difference]: With dead ends: 1622 [2019-10-15 01:20:15,386 INFO L226 Difference]: Without dead ends: 839 [2019-10-15 01:20:15,389 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:15,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-10-15 01:20:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2019-10-15 01:20:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-15 01:20:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 991 transitions. [2019-10-15 01:20:15,443 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 991 transitions. Word has length 104 [2019-10-15 01:20:15,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,443 INFO L462 AbstractCegarLoop]: Abstraction has 827 states and 991 transitions. [2019-10-15 01:20:15,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 991 transitions. [2019-10-15 01:20:15,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:15,451 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,451 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:15,452 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1969760512, now seen corresponding path program 1 times [2019-10-15 01:20:15,452 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,452 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437594747] [2019-10-15 01:20:15,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:15,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437594747] [2019-10-15 01:20:15,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,569 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:15,569 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497456926] [2019-10-15 01:20:15,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:15,570 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:15,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:15,571 INFO L87 Difference]: Start difference. First operand 827 states and 991 transitions. Second operand 4 states. [2019-10-15 01:20:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,940 INFO L93 Difference]: Finished difference Result 2613 states and 3282 transitions. [2019-10-15 01:20:15,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:15,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-15 01:20:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,954 INFO L225 Difference]: With dead ends: 2613 [2019-10-15 01:20:15,954 INFO L226 Difference]: Without dead ends: 1814 [2019-10-15 01:20:15,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2019-10-15 01:20:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1783. [2019-10-15 01:20:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2019-10-15 01:20:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2191 transitions. [2019-10-15 01:20:16,105 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2191 transitions. Word has length 104 [2019-10-15 01:20:16,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,106 INFO L462 AbstractCegarLoop]: Abstraction has 1783 states and 2191 transitions. [2019-10-15 01:20:16,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2191 transitions. [2019-10-15 01:20:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:16,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,111 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:16,111 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,112 INFO L82 PathProgramCache]: Analyzing trace with hash 672707866, now seen corresponding path program 1 times [2019-10-15 01:20:16,112 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857295365] [2019-10-15 01:20:16,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:16,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857295365] [2019-10-15 01:20:16,261 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982864461] [2019-10-15 01:20:16,261 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 [2019-10-15 01:20:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:16,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:16,720 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:17,675 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:17,675 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:17,676 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257391487] [2019-10-15 01:20:17,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:17,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:17,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:17,677 INFO L87 Difference]: Start difference. First operand 1783 states and 2191 transitions. Second operand 8 states. [2019-10-15 01:20:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,208 INFO L93 Difference]: Finished difference Result 3512 states and 4334 transitions. [2019-10-15 01:20:18,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:18,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:20:18,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,221 INFO L225 Difference]: With dead ends: 3512 [2019-10-15 01:20:18,221 INFO L226 Difference]: Without dead ends: 1757 [2019-10-15 01:20:18,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 199 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:18,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2019-10-15 01:20:18,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2019-10-15 01:20:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1757 states. [2019-10-15 01:20:18,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2115 transitions. [2019-10-15 01:20:18,434 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2115 transitions. Word has length 108 [2019-10-15 01:20:18,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,435 INFO L462 AbstractCegarLoop]: Abstraction has 1757 states and 2115 transitions. [2019-10-15 01:20:18,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2115 transitions. [2019-10-15 01:20:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-15 01:20:18,444 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,444 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:18,651 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,651 INFO L82 PathProgramCache]: Analyzing trace with hash 19459107, now seen corresponding path program 1 times [2019-10-15 01:20:18,651 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,652 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57135903] [2019-10-15 01:20:18,652 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,652 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:20:18,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57135903] [2019-10-15 01:20:18,778 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,778 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:18,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235928166] [2019-10-15 01:20:18,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:18,779 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:18,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:18,780 INFO L87 Difference]: Start difference. First operand 1757 states and 2115 transitions. Second operand 3 states. [2019-10-15 01:20:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,875 INFO L93 Difference]: Finished difference Result 2794 states and 3455 transitions. [2019-10-15 01:20:18,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:18,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-15 01:20:18,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,892 INFO L225 Difference]: With dead ends: 2794 [2019-10-15 01:20:18,892 INFO L226 Difference]: Without dead ends: 2791 [2019-10-15 01:20:18,894 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:18,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2019-10-15 01:20:19,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 2633. [2019-10-15 01:20:19,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2019-10-15 01:20:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3263 transitions. [2019-10-15 01:20:19,062 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3263 transitions. Word has length 162 [2019-10-15 01:20:19,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:19,063 INFO L462 AbstractCegarLoop]: Abstraction has 2633 states and 3263 transitions. [2019-10-15 01:20:19,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3263 transitions. [2019-10-15 01:20:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-15 01:20:19,076 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:19,077 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:19,077 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:19,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash 722447050, now seen corresponding path program 1 times [2019-10-15 01:20:19,078 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:19,078 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624227899] [2019-10-15 01:20:19,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-15 01:20:19,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624227899] [2019-10-15 01:20:19,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519125515] [2019-10-15 01:20:19,241 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 [2019-10-15 01:20:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:19,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-15 01:20:19,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:19,615 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:19,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-15 01:20:20,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [134164826] [2019-10-15 01:20:20,099 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 224 [2019-10-15 01:20:20,147 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:20,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:20,227 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:20,229 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:20:20,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:20,234 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:20,299 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:20,299 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:20,304 INFO L553 sIntCurrentIteration]: We unified 222 AI predicates to 222 [2019-10-15 01:20:20,305 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:20,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:20,306 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 6, 5] total 11 [2019-10-15 01:20:20,306 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706378457] [2019-10-15 01:20:20,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:20,307 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:20,308 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:20,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:20,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:20,308 INFO L87 Difference]: Start difference. First operand 2633 states and 3263 transitions. Second operand 2 states. [2019-10-15 01:20:20,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:20,339 INFO L93 Difference]: Finished difference Result 2633 states and 3263 transitions. [2019-10-15 01:20:20,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:20,340 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 223 [2019-10-15 01:20:20,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:20,341 INFO L225 Difference]: With dead ends: 2633 [2019-10-15 01:20:20,341 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:20,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:20,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:20,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2019-10-15 01:20:20,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:20,349 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:20,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:20,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:20,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:20,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:21,108 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-15 01:20:21,108 INFO L443 ceAbstractionStarter]: For program point L447-2(lines 447 468) no Hoare annotation was computed. [2019-10-15 01:20:21,108 INFO L443 ceAbstractionStarter]: For program point L469(lines 446 470) no Hoare annotation was computed. [2019-10-15 01:20:21,108 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 422 477) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 422 477) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point L453(lines 453 457) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 453 457) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 422 477) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 510 514) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point L504-2(lines 504 529) no Hoare annotation was computed. [2019-10-15 01:20:21,109 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 478 537) no Hoare annotation was computed. [2019-10-15 01:20:21,110 INFO L443 ceAbstractionStarter]: For program point L530(lines 503 531) no Hoare annotation was computed. [2019-10-15 01:20:21,110 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 478 537) no Hoare annotation was computed. [2019-10-15 01:20:21,110 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-15 01:20:21,110 INFO L443 ceAbstractionStarter]: For program point L523-1(line 523) no Hoare annotation was computed. [2019-10-15 01:20:21,110 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 478 537) no Hoare annotation was computed. [2019-10-15 01:20:21,110 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 282 288) the Hoare annotation is: true [2019-10-15 01:20:21,110 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 282 288) no Hoare annotation was computed. [2019-10-15 01:20:21,111 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 289 297) no Hoare annotation was computed. [2019-10-15 01:20:21,111 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 289 297) the Hoare annotation is: true [2019-10-15 01:20:21,111 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 289 297) no Hoare annotation was computed. [2019-10-15 01:20:21,111 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 240 262) the Hoare annotation is: true [2019-10-15 01:20:21,111 INFO L446 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: true [2019-10-15 01:20:21,111 INFO L446 ceAbstractionStarter]: At program point L252-1(line 252) the Hoare annotation is: true [2019-10-15 01:20:21,111 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 257) no Hoare annotation was computed. [2019-10-15 01:20:21,111 INFO L443 ceAbstractionStarter]: For program point L250-1(lines 250 257) no Hoare annotation was computed. [2019-10-15 01:20:21,111 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 240 262) no Hoare annotation was computed. [2019-10-15 01:20:21,112 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-15 01:20:21,112 INFO L446 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: true [2019-10-15 01:20:21,112 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-10-15 01:20:21,112 INFO L446 ceAbstractionStarter]: At program point L246-1(line 246) the Hoare annotation is: true [2019-10-15 01:20:21,112 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 240 262) no Hoare annotation was computed. [2019-10-15 01:20:21,112 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2019-10-15 01:20:21,112 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2019-10-15 01:20:21,112 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2019-10-15 01:20:21,112 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-15 01:20:21,113 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 954 968) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L446 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2019-10-15 01:20:21,114 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 964) no Hoare annotation was computed. [2019-10-15 01:20:21,114 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 954 968) the Hoare annotation is: true [2019-10-15 01:20:21,115 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 954 968) no Hoare annotation was computed. [2019-10-15 01:20:21,115 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 871 879) no Hoare annotation was computed. [2019-10-15 01:20:21,115 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 871 879) the Hoare annotation is: true [2019-10-15 01:20:21,115 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 871 879) no Hoare annotation was computed. [2019-10-15 01:20:21,115 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 948) no Hoare annotation was computed. [2019-10-15 01:20:21,115 INFO L446 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: true [2019-10-15 01:20:21,115 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2019-10-15 01:20:21,115 INFO L443 ceAbstractionStarter]: For program point L942-1(line 942) no Hoare annotation was computed. [2019-10-15 01:20:21,115 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 935 953) the Hoare annotation is: true [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 935 953) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 935 953) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point L899-2(lines 899 907) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 895) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point L887-2(lines 887 895) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 880 915) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point L910(line 910) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-10-15 01:20:21,116 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 880 915) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 907) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 880 915) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 275 281) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 275 281) the Hoare annotation is: true [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 376 421) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 376 421) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 376 421) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point L703(lines 703 723) no Hoare annotation was computed. [2019-10-15 01:20:21,117 INFO L443 ceAbstractionStarter]: For program point L703-1(lines 703 723) no Hoare annotation was computed. [2019-10-15 01:20:21,118 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 689 734) no Hoare annotation was computed. [2019-10-15 01:20:21,118 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 689 734) no Hoare annotation was computed. [2019-10-15 01:20:21,118 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 689 734) no Hoare annotation was computed. [2019-10-15 01:20:21,118 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 716) no Hoare annotation was computed. [2019-10-15 01:20:21,118 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 226 236) the Hoare annotation is: true [2019-10-15 01:20:21,118 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 226 236) no Hoare annotation was computed. [2019-10-15 01:20:21,118 INFO L446 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: true [2019-10-15 01:20:21,118 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 226 236) no Hoare annotation was computed. [2019-10-15 01:20:21,118 INFO L446 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2019-10-15 01:20:21,119 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-10-15 01:20:21,119 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 860 870) the Hoare annotation is: true [2019-10-15 01:20:21,119 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 860 870) no Hoare annotation was computed. [2019-10-15 01:20:21,119 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 860 870) no Hoare annotation was computed. [2019-10-15 01:20:21,119 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 852 859) the Hoare annotation is: true [2019-10-15 01:20:21,119 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 852 859) no Hoare annotation was computed. [2019-10-15 01:20:21,119 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 852 859) no Hoare annotation was computed. [2019-10-15 01:20:21,119 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:20:21,119 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-15 01:20:21,120 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-15 01:20:21,120 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:20:21,120 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 801 825) no Hoare annotation was computed. [2019-10-15 01:20:21,120 INFO L446 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2019-10-15 01:20:21,120 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 801 825) the Hoare annotation is: true [2019-10-15 01:20:21,120 INFO L443 ceAbstractionStarter]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2019-10-15 01:20:21,120 INFO L446 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: true [2019-10-15 01:20:21,120 INFO L446 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: true [2019-10-15 01:20:21,121 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-10-15 01:20:21,121 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-10-15 01:20:21,121 INFO L443 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2019-10-15 01:20:21,121 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 822) no Hoare annotation was computed. [2019-10-15 01:20:21,121 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 767 773) no Hoare annotation was computed. [2019-10-15 01:20:21,121 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 767 773) the Hoare annotation is: true [2019-10-15 01:20:21,121 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 301 368) the Hoare annotation is: true [2019-10-15 01:20:21,121 INFO L446 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2019-10-15 01:20:21,122 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 355) no Hoare annotation was computed. [2019-10-15 01:20:21,122 INFO L446 ceAbstractionStarter]: At program point L349-1(lines 341 356) the Hoare annotation is: true [2019-10-15 01:20:21,122 INFO L443 ceAbstractionStarter]: For program point L312(lines 311 360) no Hoare annotation was computed. [2019-10-15 01:20:21,122 INFO L446 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: true [2019-10-15 01:20:21,122 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 301 368) no Hoare annotation was computed. [2019-10-15 01:20:21,122 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 356) no Hoare annotation was computed. [2019-10-15 01:20:21,122 INFO L446 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: true [2019-10-15 01:20:21,123 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2019-10-15 01:20:21,123 INFO L443 ceAbstractionStarter]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2019-10-15 01:20:21,123 INFO L446 ceAbstractionStarter]: At program point L358(lines 311 360) the Hoare annotation is: true [2019-10-15 01:20:21,123 INFO L446 ceAbstractionStarter]: At program point L323(line 323) the Hoare annotation is: true [2019-10-15 01:20:21,123 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-10-15 01:20:21,123 INFO L443 ceAbstractionStarter]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2019-10-15 01:20:21,123 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-10-15 01:20:21,123 INFO L446 ceAbstractionStarter]: At program point L361(lines 310 362) the Hoare annotation is: true [2019-10-15 01:20:21,123 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 301 368) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 643 688) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 670) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 643 688) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 677) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 643 688) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 657 677) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 826 833) the Hoare annotation is: true [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 826 833) no Hoare annotation was computed. [2019-10-15 01:20:21,124 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 826 833) no Hoare annotation was computed. [2019-10-15 01:20:21,125 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:20:21,125 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-15 01:20:21,125 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:20:21,125 INFO L446 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: true [2019-10-15 01:20:21,125 INFO L443 ceAbstractionStarter]: For program point L993-1(line 993) no Hoare annotation was computed. [2019-10-15 01:20:21,125 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 987 1015) the Hoare annotation is: true [2019-10-15 01:20:21,125 INFO L446 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2019-10-15 01:20:21,125 INFO L443 ceAbstractionStarter]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2019-10-15 01:20:21,125 INFO L443 ceAbstractionStarter]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2019-10-15 01:20:21,126 INFO L446 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: true [2019-10-15 01:20:21,126 INFO L443 ceAbstractionStarter]: For program point L997-1(line 997) no Hoare annotation was computed. [2019-10-15 01:20:21,126 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 987 1015) no Hoare annotation was computed. [2019-10-15 01:20:21,126 INFO L443 ceAbstractionStarter]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2019-10-15 01:20:21,126 INFO L443 ceAbstractionStarter]: For program point L995-1(lines 987 1015) no Hoare annotation was computed. [2019-10-15 01:20:21,126 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:20:21,126 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:20:21,126 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:20:21,127 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:20:21,127 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:20:21,127 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 979 986) the Hoare annotation is: true [2019-10-15 01:20:21,127 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 979 986) no Hoare annotation was computed. [2019-10-15 01:20:21,127 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 979 986) no Hoare annotation was computed. [2019-10-15 01:20:21,127 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 265 274) no Hoare annotation was computed. [2019-10-15 01:20:21,127 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 265 274) no Hoare annotation was computed. [2019-10-15 01:20:21,128 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 265 274) no Hoare annotation was computed. [2019-10-15 01:20:21,128 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 540 642) no Hoare annotation was computed. [2019-10-15 01:20:21,128 INFO L443 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2019-10-15 01:20:21,128 INFO L443 ceAbstractionStarter]: For program point L605-1(line 605) no Hoare annotation was computed. [2019-10-15 01:20:21,128 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-10-15 01:20:21,128 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 639) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 595) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point L589-2(lines 589 609) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 540 642) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point L610(lines 588 611) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 585) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 636) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 540 642) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point L590(lines 589 609) no Hoare annotation was computed. [2019-10-15 01:20:21,129 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-15 01:20:21,130 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-15 01:20:21,130 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 627) no Hoare annotation was computed. [2019-10-15 01:20:21,130 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:21,130 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:21,130 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:21,131 INFO L446 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: true [2019-10-15 01:20:21,131 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 835 851) no Hoare annotation was computed. [2019-10-15 01:20:21,131 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 835 851) no Hoare annotation was computed. [2019-10-15 01:20:21,131 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-10-15 01:20:21,132 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 835 851) the Hoare annotation is: true [2019-10-15 01:20:21,132 INFO L446 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2019-10-15 01:20:21,132 INFO L443 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2019-10-15 01:20:21,132 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:20:21,132 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:20:21,132 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:20:21,132 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 916 934) no Hoare annotation was computed. [2019-10-15 01:20:21,132 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 929) no Hoare annotation was computed. [2019-10-15 01:20:21,132 INFO L446 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: true [2019-10-15 01:20:21,133 INFO L443 ceAbstractionStarter]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2019-10-15 01:20:21,133 INFO L443 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2019-10-15 01:20:21,133 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 916 934) the Hoare annotation is: true [2019-10-15 01:20:21,133 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 916 934) no Hoare annotation was computed. [2019-10-15 01:20:21,133 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:20:21,133 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-15 01:20:21,133 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:20:21,133 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:21,133 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:21,134 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:21,134 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-15 01:20:21,134 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:20:21,135 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:20:21,135 INFO L446 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: true [2019-10-15 01:20:21,135 INFO L446 ceAbstractionStarter]: At program point L754(lines 754 760) the Hoare annotation is: true [2019-10-15 01:20:21,135 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 743 766) the Hoare annotation is: true [2019-10-15 01:20:21,135 INFO L446 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: true [2019-10-15 01:20:21,136 INFO L443 ceAbstractionStarter]: For program point L747(lines 746 765) no Hoare annotation was computed. [2019-10-15 01:20:21,136 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 743 766) no Hoare annotation was computed. [2019-10-15 01:20:21,136 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 743 766) no Hoare annotation was computed. [2019-10-15 01:20:21,136 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2019-10-15 01:20:21,136 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2019-10-15 01:20:21,136 INFO L446 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2019-10-15 01:20:21,136 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-15 01:20:21,136 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-10-15 01:20:21,136 INFO L446 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2019-10-15 01:20:21,137 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-10-15 01:20:21,137 INFO L446 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2019-10-15 01:20:21,137 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-10-15 01:20:21,137 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-15 01:20:21,137 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-10-15 01:20:21,137 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:20:21,137 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:20:21,137 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2019-10-15 01:20:21,137 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2019-10-15 01:20:21,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:21,138 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:21,138 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:21,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:21,138 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 969 976) no Hoare annotation was computed. [2019-10-15 01:20:21,138 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 969 976) the Hoare annotation is: true [2019-10-15 01:20:21,138 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 969 976) no Hoare annotation was computed. [2019-10-15 01:20:21,138 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 775 799) the Hoare annotation is: true [2019-10-15 01:20:21,139 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 775 799) no Hoare annotation was computed. [2019-10-15 01:20:21,139 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-15 01:20:21,139 INFO L443 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2019-10-15 01:20:21,139 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-15 01:20:21,139 INFO L446 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: true [2019-10-15 01:20:21,139 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-10-15 01:20:21,139 INFO L446 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2019-10-15 01:20:21,139 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-15 01:20:21,140 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-10-15 01:20:21,140 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:20:21,140 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:20:21,140 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-10-15 01:20:21,140 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 151 158) no Hoare annotation was computed. [2019-10-15 01:20:21,140 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 151 158) the Hoare annotation is: true [2019-10-15 01:20:21,142 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-10-15 01:20:21,143 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 151 158) no Hoare annotation was computed. [2019-10-15 01:20:21,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:21 BoogieIcfgContainer [2019-10-15 01:20:21,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:21,157 INFO L168 Benchmark]: Toolchain (without parser) took 11524.06 ms. Allocated memory was 137.4 MB in the beginning and 401.6 MB in the end (delta: 264.2 MB). Free memory was 99.2 MB in the beginning and 142.5 MB in the end (delta: -43.4 MB). Peak memory consumption was 220.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:21,159 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:21,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.19 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 168.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:21,164 INFO L168 Benchmark]: Boogie Preprocessor took 101.36 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:21,165 INFO L168 Benchmark]: RCFGBuilder took 1180.30 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.5 MB in the beginning and 192.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:21,166 INFO L168 Benchmark]: TraceAbstraction took 9544.18 ms. Allocated memory was 232.8 MB in the beginning and 401.6 MB in the end (delta: 168.8 MB). Free memory was 192.3 MB in the beginning and 142.5 MB in the end (delta: 49.8 MB). Peak memory consumption was 218.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:21,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.19 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 168.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.36 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.30 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.5 MB in the beginning and 192.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9544.18 ms. Allocated memory was 232.8 MB in the beginning and 401.6 MB in the end (delta: 168.8 MB). Free memory was 192.3 MB in the beginning and 142.5 MB in the end (delta: 49.8 MB). Peak memory consumption was 218.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 257 locations, 1 error locations. Result: SAFE, OverallTime: 9.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 2021 SDtfs, 1156 SDslu, 4938 SDs, 0 SdLazy, 1290 SolverSat, 201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 530 GetRequests, 459 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2633occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 325 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 3270 PreInvPairs, 3271 NumberOfFragments, 72 HoareAnnotationTreeSize, 3270 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 70 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1424 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1740 ConstructedInterpolants, 0 QuantifiedInterpolants, 415269 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1918 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 386/437 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 135, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7387387387387387, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...