/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:03:04,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:03:04,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:03:04,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:03:04,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:03:04,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:03:04,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:03:04,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:03:04,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:03:04,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:03:04,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:03:04,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:03:04,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:03:04,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:03:04,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:03:04,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:03:04,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:03:04,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:03:04,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:03:04,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:03:04,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:03:04,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:03:04,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:03:04,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:03:04,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:03:04,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:03:04,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:03:04,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:03:04,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:03:04,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:03:04,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:03:04,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:03:04,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:03:04,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:03:04,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:03:04,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:03:04,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:03:04,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:03:04,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:03:04,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:03:04,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:03:04,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:03:04,344 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:03:04,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:03:04,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:03:04,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:03:04,346 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:03:04,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:03:04,347 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:03:04,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:03:04,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:03:04,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:03:04,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:03:04,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:03:04,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:03:04,348 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:03:04,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:03:04,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:03:04,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:03:04,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:03:04,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:03:04,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:03:04,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:03:04,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:03:04,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:03:04,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:03:04,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:03:04,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:03:04,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:03:04,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:03:04,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:03:04,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:03:04,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:03:04,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:03:04,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:03:04,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:03:04,682 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:03:04,683 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2020-08-22 16:03:04,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2777b250/f1b295f826df4f18a2dd5f6c35085e0b/FLAGc695449e6 [2020-08-22 16:03:05,226 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:03:05,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2020-08-22 16:03:05,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2777b250/f1b295f826df4f18a2dd5f6c35085e0b/FLAGc695449e6 [2020-08-22 16:03:05,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2777b250/f1b295f826df4f18a2dd5f6c35085e0b [2020-08-22 16:03:05,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:03:05,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:03:05,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:03:05,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:03:05,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:03:05,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:03:05" (1/1) ... [2020-08-22 16:03:05,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f74762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:05, skipping insertion in model container [2020-08-22 16:03:05,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:03:05" (1/1) ... [2020-08-22 16:03:05,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:03:05,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:03:06,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:03:06,100 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:03:06,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:03:06,251 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:03:06,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06 WrapperNode [2020-08-22 16:03:06,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:03:06,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:03:06,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:03:06,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:03:06,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... [2020-08-22 16:03:06,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... [2020-08-22 16:03:06,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... [2020-08-22 16:03:06,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... [2020-08-22 16:03:06,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... [2020-08-22 16:03:06,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... [2020-08-22 16:03:06,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... [2020-08-22 16:03:06,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:03:06,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:03:06,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:03:06,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:03:06,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:03:06,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:03:06,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:03:06,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 16:03:06,421 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 16:03:06,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 16:03:06,421 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 16:03:06,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 16:03:06,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 16:03:06,422 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-22 16:03:06,422 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 16:03:06,423 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 16:03:06,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 16:03:06,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 16:03:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 16:03:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 16:03:06,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 16:03:06,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 16:03:06,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 16:03:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 16:03:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 16:03:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 16:03:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 16:03:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 16:03:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 16:03:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 16:03:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 16:03:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 16:03:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 16:03:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 16:03:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 16:03:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 16:03:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 16:03:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 16:03:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 16:03:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 16:03:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 16:03:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:03:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:03:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:03:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 16:03:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 16:03:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 16:03:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 16:03:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 16:03:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 16:03:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 16:03:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 16:03:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 16:03:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 16:03:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 16:03:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 16:03:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 16:03:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 16:03:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 16:03:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 16:03:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 16:03:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 16:03:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-22 16:03:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:03:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 16:03:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:03:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 16:03:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 16:03:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:03:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:03:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:03:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:03:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 16:03:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:03:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 16:03:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 16:03:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:03:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 16:03:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 16:03:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 16:03:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 16:03:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 16:03:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 16:03:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 16:03:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 16:03:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 16:03:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 16:03:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 16:03:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 16:03:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:03:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:03:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 16:03:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:03:07,571 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:03:07,572 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 16:03:07,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:03:07 BoogieIcfgContainer [2020-08-22 16:03:07,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:03:07,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:03:07,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:03:07,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:03:07,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:03:05" (1/3) ... [2020-08-22 16:03:07,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183e3267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:03:07, skipping insertion in model container [2020-08-22 16:03:07,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:03:06" (2/3) ... [2020-08-22 16:03:07,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183e3267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:03:07, skipping insertion in model container [2020-08-22 16:03:07,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:03:07" (3/3) ... [2020-08-22 16:03:07,588 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2020-08-22 16:03:07,598 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:03:07,607 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:03:07,621 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:03:07,646 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:03:07,646 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:03:07,647 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:03:07,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:03:07,647 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:03:07,647 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:03:07,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:03:07,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:03:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-08-22 16:03:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 16:03:07,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:03:07,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:03:07,681 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:03:07,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:03:07,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1769963120, now seen corresponding path program 1 times [2020-08-22 16:03:07,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:03:07,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668258223] [2020-08-22 16:03:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:03:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,306 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:03:08,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:03:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:03:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:03:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:03:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:03:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:03:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 16:03:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 16:03:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:03:08,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668258223] [2020-08-22 16:03:08,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:03:08,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:03:08,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000354133] [2020-08-22 16:03:08,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:03:08,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:03:08,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:03:08,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:03:08,480 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2020-08-22 16:03:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:03:09,465 INFO L93 Difference]: Finished difference Result 236 states and 314 transitions. [2020-08-22 16:03:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 16:03:09,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 16:03:09,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:03:09,481 INFO L225 Difference]: With dead ends: 236 [2020-08-22 16:03:09,481 INFO L226 Difference]: Without dead ends: 133 [2020-08-22 16:03:09,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:03:09,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-08-22 16:03:09,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-08-22 16:03:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-22 16:03:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2020-08-22 16:03:09,566 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2020-08-22 16:03:09,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:03:09,566 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2020-08-22 16:03:09,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:03:09,567 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-08-22 16:03:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 16:03:09,570 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:03:09,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:03:09,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:03:09,571 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:03:09,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:03:09,571 INFO L82 PathProgramCache]: Analyzing trace with hash -196862469, now seen corresponding path program 1 times [2020-08-22 16:03:09,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:03:09,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801216963] [2020-08-22 16:03:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:03:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,894 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:03:09,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:03:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:03:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:03:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:03:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:03:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:03:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:03:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:03:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:03:09,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801216963] [2020-08-22 16:03:09,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:03:09,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:03:09,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177800751] [2020-08-22 16:03:09,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:03:09,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:03:09,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:03:09,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:03:09,972 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 5 states. [2020-08-22 16:03:10,417 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:03:11,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:03:11,113 INFO L93 Difference]: Finished difference Result 181 states and 225 transitions. [2020-08-22 16:03:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:03:11,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 16:03:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:03:11,117 INFO L225 Difference]: With dead ends: 181 [2020-08-22 16:03:11,117 INFO L226 Difference]: Without dead ends: 123 [2020-08-22 16:03:11,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:03:11,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-22 16:03:11,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-22 16:03:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-22 16:03:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-22 16:03:11,166 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2020-08-22 16:03:11,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:03:11,167 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-22 16:03:11,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:03:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-22 16:03:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 16:03:11,169 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:03:11,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:03:11,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:03:11,170 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:03:11,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:03:11,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1769510197, now seen corresponding path program 1 times [2020-08-22 16:03:11,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:03:11,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256318637] [2020-08-22 16:03:11,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:03:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,490 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:03:11,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:03:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:03:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:03:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:03:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:03:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:03:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 16:03:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 16:03:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:03:11,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256318637] [2020-08-22 16:03:11,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:03:11,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:03:11,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290059452] [2020-08-22 16:03:11,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:03:11,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:03:11,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:03:11,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:03:11,614 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 9 states. [2020-08-22 16:03:11,972 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:03:12,298 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:12,581 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:12,842 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:13,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:03:13,755 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2020-08-22 16:03:13,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:03:13,758 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 16:03:13,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:03:13,762 INFO L225 Difference]: With dead ends: 190 [2020-08-22 16:03:13,763 INFO L226 Difference]: Without dead ends: 123 [2020-08-22 16:03:13,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:03:13,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-22 16:03:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-22 16:03:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-22 16:03:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-22 16:03:13,812 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2020-08-22 16:03:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:03:13,815 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-22 16:03:13,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:03:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-22 16:03:13,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 16:03:13,824 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:03:13,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:03:13,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:03:13,824 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:03:13,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:03:13,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1543424388, now seen corresponding path program 1 times [2020-08-22 16:03:13,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:03:13,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57288953] [2020-08-22 16:03:13,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:03:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,182 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:03:14,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:03:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:03:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:03:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:03:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:03:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:03:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 16:03:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:03:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 16:03:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 16:03:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:03:14,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57288953] [2020-08-22 16:03:14,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:03:14,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:03:14,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814085723] [2020-08-22 16:03:14,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:03:14,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:03:14,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:03:14,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:03:14,285 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 9 states. [2020-08-22 16:03:14,681 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:03:15,608 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:15,949 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:03:16,517 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:16,763 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:17,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:03:17,367 INFO L93 Difference]: Finished difference Result 292 states and 393 transitions. [2020-08-22 16:03:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 16:03:17,369 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-22 16:03:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:03:17,374 INFO L225 Difference]: With dead ends: 292 [2020-08-22 16:03:17,374 INFO L226 Difference]: Without dead ends: 225 [2020-08-22 16:03:17,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 16:03:17,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-22 16:03:17,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 152. [2020-08-22 16:03:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-22 16:03:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2020-08-22 16:03:17,430 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2020-08-22 16:03:17,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:03:17,431 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2020-08-22 16:03:17,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:03:17,431 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2020-08-22 16:03:17,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-22 16:03:17,433 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:03:17,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:03:17,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:03:17,433 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:03:17,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:03:17,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1297581992, now seen corresponding path program 1 times [2020-08-22 16:03:17,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:03:17,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540855827] [2020-08-22 16:03:17,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:03:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,746 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:03:17,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:03:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:03:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:03:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:03:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:03:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:03:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:03:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:03:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:03:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 16:03:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-22 16:03:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:03:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:03:17,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540855827] [2020-08-22 16:03:17,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:03:17,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 16:03:17,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857753425] [2020-08-22 16:03:17,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:03:17,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:03:17,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:03:17,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:03:17,851 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 10 states. [2020-08-22 16:03:18,245 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:03:19,102 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:19,356 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:19,626 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:03:19,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:03:19,818 INFO L93 Difference]: Finished difference Result 279 states and 356 transitions. [2020-08-22 16:03:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:03:19,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-22 16:03:19,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:03:19,819 INFO L225 Difference]: With dead ends: 279 [2020-08-22 16:03:19,819 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:03:19,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 16:03:19,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:03:19,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:03:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:03:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:03:19,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-22 16:03:19,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:03:19,823 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:03:19,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:03:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:03:19,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:03:19,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:03:19,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:03:20,073 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-08-22 16:03:21,777 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 16:03:21,945 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 16:03:22,127 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 16:03:22,391 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:03:22,726 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 16:03:23,051 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 16:03:23,367 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-22 16:03:23,544 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 16:03:23,748 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 16:03:24,055 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 16:03:24,373 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 16:03:24,548 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 16:03:24,763 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 16:03:24,924 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 16:03:25,101 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 16:03:25,267 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 16:03:25,431 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 16:03:25,581 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 16:03:25,890 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 16:03:26,192 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 16:03:26,367 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-22 16:03:26,660 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 16:03:26,670 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 374) no Hoare annotation was computed. [2020-08-22 16:03:26,671 INFO L268 CegarLoopResult]: For program point L375(lines 352 376) no Hoare annotation was computed. [2020-08-22 16:03:26,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 328 383) no Hoare annotation was computed. [2020-08-22 16:03:26,671 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-08-22 16:03:26,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 328 383) no Hoare annotation was computed. [2020-08-22 16:03:26,672 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 363) no Hoare annotation was computed. [2020-08-22 16:03:26,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 328 383) no Hoare annotation was computed. [2020-08-22 16:03:26,672 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-08-22 16:03:26,672 INFO L268 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 420) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point L410-2(lines 410 435) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 384 443) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point L436(lines 409 437) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 384 443) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-08-22 16:03:26,673 INFO L268 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-08-22 16:03:26,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 384 443) no Hoare annotation was computed. [2020-08-22 16:03:26,674 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 663 669) the Hoare annotation is: true [2020-08-22 16:03:26,674 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 663 669) no Hoare annotation was computed. [2020-08-22 16:03:26,674 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 670 678) no Hoare annotation was computed. [2020-08-22 16:03:26,674 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 670 678) the Hoare annotation is: true [2020-08-22 16:03:26,674 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 670 678) no Hoare annotation was computed. [2020-08-22 16:03:26,674 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 873 895) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,674 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 873 895) no Hoare annotation was computed. [2020-08-22 16:03:26,675 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,675 INFO L264 CegarLoopResult]: At program point L885-1(line 885) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,675 INFO L268 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-08-22 16:03:26,675 INFO L268 CegarLoopResult]: For program point L883-1(lines 883 890) no Hoare annotation was computed. [2020-08-22 16:03:26,675 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-08-22 16:03:26,675 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,676 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,676 INFO L264 CegarLoopResult]: At program point L879-1(line 879) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,676 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 873 895) no Hoare annotation was computed. [2020-08-22 16:03:26,676 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 831 854) no Hoare annotation was computed. [2020-08-22 16:03:26,676 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 831 854) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 831 854) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-22 16:03:26,677 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-08-22 16:03:26,678 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-08-22 16:03:26,678 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-22 16:03:26,678 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-08-22 16:03:26,678 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-08-22 16:03:26,678 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-22 16:03:26,678 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-08-22 16:03:26,678 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-08-22 16:03:26,679 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 153 159) no Hoare annotation was computed. [2020-08-22 16:03:26,679 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 153 159) the Hoare annotation is: true [2020-08-22 16:03:26,679 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 186 193) no Hoare annotation was computed. [2020-08-22 16:03:26,679 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 186 193) no Hoare annotation was computed. [2020-08-22 16:03:26,679 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 186 193) no Hoare annotation was computed. [2020-08-22 16:03:26,679 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 230 238) no Hoare annotation was computed. [2020-08-22 16:03:26,679 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 230 238) the Hoare annotation is: true [2020-08-22 16:03:26,679 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 230 238) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point L246(lines 246 254) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point L246-2(lines 246 254) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 239 274) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 239 274) no Hoare annotation was computed. [2020-08-22 16:03:26,680 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 239 274) no Hoare annotation was computed. [2020-08-22 16:03:26,681 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-08-22 16:03:26,681 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 656 662) no Hoare annotation was computed. [2020-08-22 16:03:26,681 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 656 662) the Hoare annotation is: true [2020-08-22 16:03:26,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 282 327) no Hoare annotation was computed. [2020-08-22 16:03:26,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 282 327) no Hoare annotation was computed. [2020-08-22 16:03:26,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 282 327) no Hoare annotation was computed. [2020-08-22 16:03:26,682 INFO L268 CegarLoopResult]: For program point L609(lines 609 629) no Hoare annotation was computed. [2020-08-22 16:03:26,682 INFO L268 CegarLoopResult]: For program point L609-1(lines 609 629) no Hoare annotation was computed. [2020-08-22 16:03:26,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 595 640) no Hoare annotation was computed. [2020-08-22 16:03:26,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 595 640) no Hoare annotation was computed. [2020-08-22 16:03:26,682 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-08-22 16:03:26,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 595 640) no Hoare annotation was computed. [2020-08-22 16:03:26,682 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 862 872) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,683 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 862 872) no Hoare annotation was computed. [2020-08-22 16:03:26,683 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 862 872) no Hoare annotation was computed. [2020-08-22 16:03:26,683 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,683 INFO L271 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: true [2020-08-22 16:03:26,683 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 219 229) the Hoare annotation is: true [2020-08-22 16:03:26,683 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-08-22 16:03:26,683 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 219 229) no Hoare annotation was computed. [2020-08-22 16:03:26,684 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 219 229) no Hoare annotation was computed. [2020-08-22 16:03:26,684 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 211 218) the Hoare annotation is: true [2020-08-22 16:03:26,684 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2020-08-22 16:03:26,684 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2020-08-22 16:03:26,684 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 161 185) no Hoare annotation was computed. [2020-08-22 16:03:26,684 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,684 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 161 185) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,685 INFO L268 CegarLoopResult]: For program point L180-1(lines 161 185) no Hoare annotation was computed. [2020-08-22 16:03:26,685 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,685 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,685 INFO L268 CegarLoopResult]: For program point L169(lines 169 177) no Hoare annotation was computed. [2020-08-22 16:03:26,685 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,685 INFO L268 CegarLoopResult]: For program point L167-1(line 167) no Hoare annotation was computed. [2020-08-22 16:03:26,685 INFO L268 CegarLoopResult]: For program point L165(lines 165 182) no Hoare annotation was computed. [2020-08-22 16:03:26,686 INFO L264 CegarLoopResult]: At program point L97(lines 54 99) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 16:03:26,686 INFO L268 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2020-08-22 16:03:26,686 INFO L264 CegarLoopResult]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,686 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2020-08-22 16:03:26,686 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-22 16:03:26,686 INFO L268 CegarLoopResult]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2020-08-22 16:03:26,686 INFO L264 CegarLoopResult]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:03:26,687 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-08-22 16:03:26,687 INFO L264 CegarLoopResult]: At program point L90-2(lines 84 95) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 16:03:26,687 INFO L268 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2020-08-22 16:03:26,687 INFO L268 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-08-22 16:03:26,687 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 16:03:26,687 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-08-22 16:03:26,688 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-08-22 16:03:26,688 INFO L268 CegarLoopResult]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2020-08-22 16:03:26,688 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 16:03:26,688 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 549 594) no Hoare annotation was computed. [2020-08-22 16:03:26,688 INFO L268 CegarLoopResult]: For program point L569(lines 569 576) no Hoare annotation was computed. [2020-08-22 16:03:26,688 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 549 594) no Hoare annotation was computed. [2020-08-22 16:03:26,688 INFO L268 CegarLoopResult]: For program point L563(lines 563 583) no Hoare annotation was computed. [2020-08-22 16:03:26,688 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 583) no Hoare annotation was computed. [2020-08-22 16:03:26,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 549 594) no Hoare annotation was computed. [2020-08-22 16:03:26,689 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 16:03:26,689 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 770 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 16:03:26,689 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-08-22 16:03:26,689 INFO L268 CegarLoopResult]: For program point L782(lines 782 792) no Hoare annotation was computed. [2020-08-22 16:03:26,689 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-22 16:03:26,689 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-08-22 16:03:26,690 INFO L268 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-08-22 16:03:26,690 INFO L268 CegarLoopResult]: For program point L778-1(lines 770 798) no Hoare annotation was computed. [2020-08-22 16:03:26,690 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 16:03:26,690 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-08-22 16:03:26,690 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 770 798) no Hoare annotation was computed. [2020-08-22 16:03:26,690 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-08-22 16:03:26,690 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-08-22 16:03:26,690 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 728 750) no Hoare annotation was computed. [2020-08-22 16:03:26,691 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 728 750) no Hoare annotation was computed. [2020-08-22 16:03:26,691 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 728 750) no Hoare annotation was computed. [2020-08-22 16:03:26,691 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 762 769) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 16:03:26,691 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 762 769) no Hoare annotation was computed. [2020-08-22 16:03:26,691 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 762 769) no Hoare annotation was computed. [2020-08-22 16:03:26,691 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 446 548) no Hoare annotation was computed. [2020-08-22 16:03:26,691 INFO L268 CegarLoopResult]: For program point L475(lines 475 491) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point L535(lines 535 542) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point L496(lines 495 515) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point L492(lines 492 533) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 446 548) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 16:03:26,692 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-08-22 16:03:26,693 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-08-22 16:03:26,693 INFO L268 CegarLoopResult]: For program point L534(lines 534 545) no Hoare annotation was computed. [2020-08-22 16:03:26,693 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 446 548) no Hoare annotation was computed. [2020-08-22 16:03:26,693 INFO L268 CegarLoopResult]: For program point L497(lines 497 501) no Hoare annotation was computed. [2020-08-22 16:03:26,693 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 515) no Hoare annotation was computed. [2020-08-22 16:03:26,693 INFO L268 CegarLoopResult]: For program point L516(lines 494 517) no Hoare annotation was computed. [2020-08-22 16:03:26,693 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 646 655) no Hoare annotation was computed. [2020-08-22 16:03:26,694 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 646 655) no Hoare annotation was computed. [2020-08-22 16:03:26,694 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 646 655) no Hoare annotation was computed. [2020-08-22 16:03:26,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:03:26,694 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 16:03:26,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:03:26,695 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-08-22 16:03:26,695 INFO L268 CegarLoopResult]: For program point L205-1(lines 194 210) no Hoare annotation was computed. [2020-08-22 16:03:26,695 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 194 210) no Hoare annotation was computed. [2020-08-22 16:03:26,695 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-08-22 16:03:26,695 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 194 210) no Hoare annotation was computed. [2020-08-22 16:03:26,695 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 16:03:26,695 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-08-22 16:03:26,696 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 751 759) no Hoare annotation was computed. [2020-08-22 16:03:26,696 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 751 759) no Hoare annotation was computed. [2020-08-22 16:03:26,696 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 751 759) no Hoare annotation was computed. [2020-08-22 16:03:26,696 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 707 718) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 16:03:26,696 INFO L268 CegarLoopResult]: For program point L711-1(lines 707 718) no Hoare annotation was computed. [2020-08-22 16:03:26,696 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 707 718) no Hoare annotation was computed. [2020-08-22 16:03:26,696 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:03:26,697 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 16:03:26,697 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:03:26,697 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 129 152) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,697 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,697 INFO L264 CegarLoopResult]: At program point L140(lines 140 146) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,697 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 129 152) no Hoare annotation was computed. [2020-08-22 16:03:26,697 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:03:26,698 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 129 152) no Hoare annotation was computed. [2020-08-22 16:03:26,698 INFO L268 CegarLoopResult]: For program point L133(lines 132 151) no Hoare annotation was computed. [2020-08-22 16:03:26,698 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 801 830) no Hoare annotation was computed. [2020-08-22 16:03:26,698 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 801 830) the Hoare annotation is: true [2020-08-22 16:03:26,698 INFO L271 CegarLoopResult]: At program point L826(lines 801 830) the Hoare annotation is: true [2020-08-22 16:03:26,698 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-22 16:03:26,698 INFO L268 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2020-08-22 16:03:26,699 INFO L271 CegarLoopResult]: At program point L815-1(lines 815 819) the Hoare annotation is: true [2020-08-22 16:03:26,699 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-22 16:03:26,699 INFO L271 CegarLoopResult]: At program point L811-2(lines 811 825) the Hoare annotation is: true [2020-08-22 16:03:26,699 INFO L271 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: true [2020-08-22 16:03:26,699 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-08-22 16:03:26,699 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 719 727) the Hoare annotation is: true [2020-08-22 16:03:26,699 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 719 727) no Hoare annotation was computed. [2020-08-22 16:03:26,699 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 719 727) no Hoare annotation was computed. [2020-08-22 16:03:26,700 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 683 694) the Hoare annotation is: true [2020-08-22 16:03:26,700 INFO L268 CegarLoopResult]: For program point L687-1(lines 683 694) no Hoare annotation was computed. [2020-08-22 16:03:26,700 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 683 694) no Hoare annotation was computed. [2020-08-22 16:03:26,700 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 855 861) no Hoare annotation was computed. [2020-08-22 16:03:26,700 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 855 861) the Hoare annotation is: true [2020-08-22 16:03:26,700 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:03:26,700 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 16:03:26,700 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:03:26,701 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:03:26,701 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 695 706) no Hoare annotation was computed. [2020-08-22 16:03:26,701 INFO L268 CegarLoopResult]: For program point L699-1(lines 695 706) no Hoare annotation was computed. [2020-08-22 16:03:26,701 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 695 706) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 16:03:26,701 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 109 116) no Hoare annotation was computed. [2020-08-22 16:03:26,702 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-08-22 16:03:26,702 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 109 116) the Hoare annotation is: true [2020-08-22 16:03:26,702 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 109 116) no Hoare annotation was computed. [2020-08-22 16:03:26,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:03:26 BoogieIcfgContainer [2020-08-22 16:03:26,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:03:26,724 INFO L168 Benchmark]: Toolchain (without parser) took 21126.91 ms. Allocated memory was 141.0 MB in the beginning and 584.6 MB in the end (delta: 443.5 MB). Free memory was 103.4 MB in the beginning and 396.1 MB in the end (delta: -292.7 MB). Peak memory consumption was 427.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:03:26,725 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:03:26,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.20 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.2 MB in the beginning and 170.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:03:26,727 INFO L168 Benchmark]: Boogie Preprocessor took 88.30 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:03:26,728 INFO L168 Benchmark]: RCFGBuilder took 1239.02 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 195.1 MB in the end (delta: -29.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:03:26,729 INFO L168 Benchmark]: TraceAbstraction took 19141.78 ms. Allocated memory was 235.4 MB in the beginning and 584.6 MB in the end (delta: 349.2 MB). Free memory was 193.7 MB in the beginning and 396.1 MB in the end (delta: -202.3 MB). Peak memory consumption was 423.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:03:26,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.20 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.2 MB in the beginning and 170.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.30 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1239.02 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 195.1 MB in the end (delta: -29.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19141.78 ms. Allocated memory was 235.4 MB in the beginning and 584.6 MB in the end (delta: 349.2 MB). Free memory was 193.7 MB in the beginning and 396.1 MB in the end (delta: -202.3 MB). Peak memory consumption was 423.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 113]: 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: 54]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 216 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 822 SDslu, 369 SDs, 0 SdLazy, 1617 SolverSat, 572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 758 HoareAnnotationTreeSize, 246 FomulaSimplifications, 91539 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7400 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...