/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:55:55,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:55:55,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:55:55,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:55:55,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:55:55,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:55:55,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:55:55,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:55:55,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:55:55,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:55:55,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:55:55,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:55:55,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:55:55,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:55:55,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:55:55,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:55:55,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:55:55,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:55:55,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:55:55,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:55:55,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:55:55,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:55:55,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:55:55,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:55:55,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:55:55,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:55:55,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:55:55,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:55:55,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:55:55,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:55:55,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:55:55,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:55:55,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:55:55,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:55:55,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:55:55,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:55:55,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:55:55,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:55:55,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:55:55,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:55:55,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:55:55,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:55:55,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:55:55,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:55:55,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:55:55,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:55:55,332 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:55:55,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:55:55,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:55:55,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:55:55,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:55:55,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:55:55,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:55:55,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:55:55,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:55:55,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:55:55,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:55:55,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:55:55,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:55:55,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:55:55,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:55:55,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:55:55,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:55:55,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:55:55,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:55:55,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:55:55,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:55:55,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:55:55,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:55:55,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:55:55,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:55:55,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:55:55,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:55:55,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:55:55,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:55:55,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:55:55,718 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:55:55,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-07-19 22:55:55,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a093bcd97/5cf00f2b52cb4afa9555bd50c323a466/FLAGa9e6f7509 [2020-07-19 22:55:56,340 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:55:56,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-07-19 22:55:56,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a093bcd97/5cf00f2b52cb4afa9555bd50c323a466/FLAGa9e6f7509 [2020-07-19 22:55:56,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a093bcd97/5cf00f2b52cb4afa9555bd50c323a466 [2020-07-19 22:55:56,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:55:56,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:55:56,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:55:56,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:55:56,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:55:56,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:55:56" (1/1) ... [2020-07-19 22:55:56,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfb43f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:56, skipping insertion in model container [2020-07-19 22:55:56,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:55:56" (1/1) ... [2020-07-19 22:55:56,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:55:56,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:55:56,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:55:56,986 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:55:57,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:55:57,307 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:55:57,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57 WrapperNode [2020-07-19 22:55:57,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:55:57,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:55:57,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:55:57,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:55:57,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:55:57,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:55:57,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:55:57,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:55:57,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:55:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:55:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:55:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:55:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:55:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:55:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:55:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:55:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:55:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:55:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:55:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:55:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:55:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:55:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:55:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:55:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:55:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:55:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:55:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:55:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:55:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:55:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:55:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:55:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:55:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:55:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:55:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:55:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:55:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:55:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:55:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:55:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:55:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:55:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:55:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:55:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:55:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:55:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:55:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:55:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:55:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:55:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:55:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:55:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:55:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:55:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:55:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:55:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:55:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:55:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:55:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:55:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:55:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:55:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:55:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:55:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:55:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:55:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:55:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:55:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:55:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:55:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:55:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:55:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:55:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:55:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:55:58,526 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:55:58,527 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:55:58,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:55:58 BoogieIcfgContainer [2020-07-19 22:55:58,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:55:58,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:55:58,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:55:58,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:55:58,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:55:56" (1/3) ... [2020-07-19 22:55:58,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e97d83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:55:58, skipping insertion in model container [2020-07-19 22:55:58,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57" (2/3) ... [2020-07-19 22:55:58,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e97d83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:55:58, skipping insertion in model container [2020-07-19 22:55:58,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:55:58" (3/3) ... [2020-07-19 22:55:58,542 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-07-19 22:55:58,553 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:55:58,562 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:55:58,576 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:55:58,604 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:55:58,604 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:55:58,604 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:55:58,604 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:55:58,608 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:55:58,609 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:55:58,609 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:55:58,609 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:55:58,645 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-07-19 22:55:58,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:55:58,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:55:58,663 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:55:58,663 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:55:58,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:55:58,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1468621358, now seen corresponding path program 1 times [2020-07-19 22:55:58,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:55:58,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564086213] [2020-07-19 22:55:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:55:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,435 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:55:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:55:59,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564086213] [2020-07-19 22:55:59,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:55:59,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:55:59,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109470945] [2020-07-19 22:55:59,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:55:59,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:55:59,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:55:59,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:55:59,564 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-07-19 22:56:00,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:00,605 INFO L93 Difference]: Finished difference Result 265 states and 344 transitions. [2020-07-19 22:56:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:56:00,607 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:56:00,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:00,622 INFO L225 Difference]: With dead ends: 265 [2020-07-19 22:56:00,622 INFO L226 Difference]: Without dead ends: 147 [2020-07-19 22:56:00,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:56:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-19 22:56:00,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-07-19 22:56:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-19 22:56:00,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-07-19 22:56:00,711 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2020-07-19 22:56:00,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:00,711 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-07-19 22:56:00,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:56:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-07-19 22:56:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:56:00,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:00,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:00,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:56:00,719 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:00,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:00,720 INFO L82 PathProgramCache]: Analyzing trace with hash 732022184, now seen corresponding path program 1 times [2020-07-19 22:56:00,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:00,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312597393] [2020-07-19 22:56:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,085 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:01,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312597393] [2020-07-19 22:56:01,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:01,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:56:01,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428950686] [2020-07-19 22:56:01,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:56:01,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:01,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:56:01,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:56:01,192 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-07-19 22:56:01,699 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:02,455 INFO L93 Difference]: Finished difference Result 206 states and 252 transitions. [2020-07-19 22:56:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:56:02,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:56:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:02,464 INFO L225 Difference]: With dead ends: 206 [2020-07-19 22:56:02,464 INFO L226 Difference]: Without dead ends: 137 [2020-07-19 22:56:02,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:56:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-19 22:56:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-07-19 22:56:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-19 22:56:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-07-19 22:56:02,512 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2020-07-19 22:56:02,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:02,513 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-07-19 22:56:02,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:56:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-07-19 22:56:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:56:02,516 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:02,516 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:02,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:56:02,516 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:02,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:02,517 INFO L82 PathProgramCache]: Analyzing trace with hash -69452161, now seen corresponding path program 1 times [2020-07-19 22:56:02,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:02,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173021496] [2020-07-19 22:56:02,518 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,852 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:02,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173021496] [2020-07-19 22:56:02,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:02,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:02,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363953822] [2020-07-19 22:56:02,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:02,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:02,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:02,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:02,962 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 9 states. [2020-07-19 22:56:03,382 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:03,683 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:56:03,920 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:04,192 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:05,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:05,296 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2020-07-19 22:56:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:56:05,297 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 22:56:05,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:05,301 INFO L225 Difference]: With dead ends: 219 [2020-07-19 22:56:05,302 INFO L226 Difference]: Without dead ends: 137 [2020-07-19 22:56:05,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:56:05,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-19 22:56:05,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-07-19 22:56:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-19 22:56:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2020-07-19 22:56:05,350 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2020-07-19 22:56:05,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:05,351 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2020-07-19 22:56:05,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2020-07-19 22:56:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-19 22:56:05,353 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:05,353 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:05,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:56:05,354 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:05,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:05,354 INFO L82 PathProgramCache]: Analyzing trace with hash -752044170, now seen corresponding path program 1 times [2020-07-19 22:56:05,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:05,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931279894] [2020-07-19 22:56:05,355 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,657 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:05,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931279894] [2020-07-19 22:56:05,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:05,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:56:05,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127369054] [2020-07-19 22:56:05,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:56:05,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:05,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:56:05,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:56:05,765 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 7 states. [2020-07-19 22:56:06,099 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:07,456 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:07,818 INFO L93 Difference]: Finished difference Result 314 states and 394 transitions. [2020-07-19 22:56:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:56:07,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-07-19 22:56:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:07,823 INFO L225 Difference]: With dead ends: 314 [2020-07-19 22:56:07,824 INFO L226 Difference]: Without dead ends: 232 [2020-07-19 22:56:07,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:56:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-07-19 22:56:07,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 186. [2020-07-19 22:56:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-19 22:56:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2020-07-19 22:56:07,868 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2020-07-19 22:56:07,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:07,869 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2020-07-19 22:56:07,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:56:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2020-07-19 22:56:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-19 22:56:07,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:07,871 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:07,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:56:07,872 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:07,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1770960597, now seen corresponding path program 1 times [2020-07-19 22:56:07,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:07,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718265057] [2020-07-19 22:56:07,872 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,159 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:56:08,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718265057] [2020-07-19 22:56:08,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:08,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:08,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88868425] [2020-07-19 22:56:08,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:08,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:08,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:08,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:08,273 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 9 states. [2020-07-19 22:56:08,694 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:09,422 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:10,045 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:10,377 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:10,843 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:11,070 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:11,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:11,403 INFO L93 Difference]: Finished difference Result 389 states and 479 transitions. [2020-07-19 22:56:11,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:56:11,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-19 22:56:11,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:11,407 INFO L225 Difference]: With dead ends: 389 [2020-07-19 22:56:11,407 INFO L226 Difference]: Without dead ends: 231 [2020-07-19 22:56:11,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:56:11,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-19 22:56:11,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 185. [2020-07-19 22:56:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-07-19 22:56:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2020-07-19 22:56:11,451 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2020-07-19 22:56:11,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:11,452 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2020-07-19 22:56:11,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2020-07-19 22:56:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:56:11,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:11,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:11,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:56:11,454 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:11,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:11,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1107726217, now seen corresponding path program 1 times [2020-07-19 22:56:11,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:11,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887058277] [2020-07-19 22:56:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,720 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:11,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887058277] [2020-07-19 22:56:11,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:11,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:11,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285104852] [2020-07-19 22:56:11,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:11,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:11,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:11,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:11,859 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 9 states. [2020-07-19 22:56:13,149 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:13,390 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:13,652 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:13,887 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:14,404 INFO L93 Difference]: Finished difference Result 387 states and 475 transitions. [2020-07-19 22:56:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:56:14,411 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-19 22:56:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:14,414 INFO L225 Difference]: With dead ends: 387 [2020-07-19 22:56:14,414 INFO L226 Difference]: Without dead ends: 230 [2020-07-19 22:56:14,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:56:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-19 22:56:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 190. [2020-07-19 22:56:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-07-19 22:56:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2020-07-19 22:56:14,478 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2020-07-19 22:56:14,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:14,479 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2020-07-19 22:56:14,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2020-07-19 22:56:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:56:14,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:14,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:14,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:56:14,482 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:14,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:14,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1801037685, now seen corresponding path program 1 times [2020-07-19 22:56:14,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:14,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040586671] [2020-07-19 22:56:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,756 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:14,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040586671] [2020-07-19 22:56:14,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:14,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:56:14,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208638224] [2020-07-19 22:56:14,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:56:14,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:14,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:56:14,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:56:14,915 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 11 states. [2020-07-19 22:56:15,460 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:15,699 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:15,945 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:16,676 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:16,943 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:17,214 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:17,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:17,927 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2020-07-19 22:56:17,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:56:17,928 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-07-19 22:56:17,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:17,930 INFO L225 Difference]: With dead ends: 399 [2020-07-19 22:56:17,930 INFO L226 Difference]: Without dead ends: 237 [2020-07-19 22:56:17,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:56:17,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-07-19 22:56:17,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 194. [2020-07-19 22:56:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-07-19 22:56:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2020-07-19 22:56:17,976 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2020-07-19 22:56:17,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:17,978 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2020-07-19 22:56:17,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:56:17,979 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2020-07-19 22:56:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:56:17,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:17,980 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:17,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:56:17,981 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:17,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:17,981 INFO L82 PathProgramCache]: Analyzing trace with hash 310252684, now seen corresponding path program 1 times [2020-07-19 22:56:17,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:17,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92437477] [2020-07-19 22:56:17,982 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,323 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:18,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92437477] [2020-07-19 22:56:18,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:18,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:56:18,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227301604] [2020-07-19 22:56:18,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:56:18,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:18,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:56:18,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:56:18,467 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 7 states. [2020-07-19 22:56:18,840 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:19,435 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:20,962 INFO L93 Difference]: Finished difference Result 571 states and 717 transitions. [2020-07-19 22:56:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 22:56:20,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-07-19 22:56:20,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:20,967 INFO L225 Difference]: With dead ends: 571 [2020-07-19 22:56:20,967 INFO L226 Difference]: Without dead ends: 405 [2020-07-19 22:56:20,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:56:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-07-19 22:56:21,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 363. [2020-07-19 22:56:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-19 22:56:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 424 transitions. [2020-07-19 22:56:21,057 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 424 transitions. Word has length 88 [2020-07-19 22:56:21,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:21,057 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 424 transitions. [2020-07-19 22:56:21,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:56:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 424 transitions. [2020-07-19 22:56:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 22:56:21,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:21,062 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:21,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:56:21,063 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:21,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:21,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1394429222, now seen corresponding path program 1 times [2020-07-19 22:56:21,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:21,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164843985] [2020-07-19 22:56:21,064 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,398 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:21,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164843985] [2020-07-19 22:56:21,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:21,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:56:21,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813649722] [2020-07-19 22:56:21,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:56:21,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:21,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:56:21,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:56:21,572 INFO L87 Difference]: Start difference. First operand 363 states and 424 transitions. Second operand 12 states. [2020-07-19 22:56:22,019 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:22,677 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:23,656 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:23,975 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:24,236 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:24,512 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:24,764 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:25,508 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:25,746 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:26,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:26,290 INFO L93 Difference]: Finished difference Result 1001 states and 1242 transitions. [2020-07-19 22:56:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-19 22:56:26,293 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-07-19 22:56:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:26,298 INFO L225 Difference]: With dead ends: 1001 [2020-07-19 22:56:26,298 INFO L226 Difference]: Without dead ends: 735 [2020-07-19 22:56:26,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-07-19 22:56:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-07-19 22:56:26,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 616. [2020-07-19 22:56:26,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-07-19 22:56:26,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 712 transitions. [2020-07-19 22:56:26,414 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 712 transitions. Word has length 92 [2020-07-19 22:56:26,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:26,415 INFO L479 AbstractCegarLoop]: Abstraction has 616 states and 712 transitions. [2020-07-19 22:56:26,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:56:26,415 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 712 transitions. [2020-07-19 22:56:26,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-19 22:56:26,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:26,417 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:56:26,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:56:26,418 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:26,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:26,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1563029790, now seen corresponding path program 1 times [2020-07-19 22:56:26,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:26,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445376131] [2020-07-19 22:56:26,419 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@44130958 [2020-07-19 22:56:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,767 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 22:56:27,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445376131] [2020-07-19 22:56:27,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275331377] [2020-07-19 22:56:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3be41ba7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:56:27,750 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3be41ba7 issued 4 check-sat command(s) [2020-07-19 22:56:27,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:56:27,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:56:27,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:56:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:56:27,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:56:27,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:56:27,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607949816] [2020-07-19 22:56:27,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:56:27,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:27,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:56:27,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:56:27,923 INFO L87 Difference]: Start difference. First operand 616 states and 712 transitions. Second operand 20 states. [2020-07-19 22:56:28,635 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:29,019 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:56:29,300 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:56:29,591 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:56:30,385 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:56:30,690 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:56:31,144 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-19 22:56:31,821 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:32,231 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-19 22:56:33,308 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:33,596 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:56:33,892 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:34,204 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:34,735 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:35,288 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:35,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:35,597 INFO L93 Difference]: Finished difference Result 973 states and 1146 transitions. [2020-07-19 22:56:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 22:56:35,598 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 136 [2020-07-19 22:56:35,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:35,598 INFO L225 Difference]: With dead ends: 973 [2020-07-19 22:56:35,599 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:56:35,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=489, Invalid=1961, Unknown=0, NotChecked=0, Total=2450 [2020-07-19 22:56:35,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:56:35,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:56:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:56:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:56:35,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-07-19 22:56:35,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:35,604 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:56:35,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:56:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:56:35,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:56:35,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:56:35,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:56:36,765 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 236 [2020-07-19 22:56:38,188 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-07-19 22:56:39,867 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 222 [2020-07-19 22:56:40,066 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 221 [2020-07-19 22:56:40,314 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-07-19 22:56:41,002 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-19 22:56:41,232 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-07-19 22:56:41,403 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:56:41,590 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-07-19 22:56:42,423 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 31 [2020-07-19 22:56:42,549 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 22:56:42,725 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:56:43,068 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2020-07-19 22:56:43,474 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-19 22:56:43,612 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 22:56:44,465 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-07-19 22:56:44,663 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 22:56:45,285 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2020-07-19 22:56:45,502 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:45,700 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 22:56:46,432 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2020-07-19 22:56:47,347 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 37 [2020-07-19 22:56:47,472 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 22:56:47,647 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-07-19 22:56:48,466 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-19 22:56:48,657 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 22:56:49,457 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-07-19 22:56:50,285 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 28 [2020-07-19 22:56:50,583 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 14 [2020-07-19 22:56:51,126 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 26 [2020-07-19 22:56:51,300 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-19 22:56:51,474 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:56:51,770 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-19 22:56:51,945 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:56:52,181 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-07-19 22:56:52,312 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 22:56:52,472 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-19 22:56:52,659 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:56:52,855 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:56:53,251 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 30 [2020-07-19 22:56:53,594 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 30 [2020-07-19 22:56:53,798 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:56:53,988 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:56:54,739 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2020-07-19 22:56:54,745 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-07-19 22:56:54,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-07-19 22:56:54,745 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-19 22:56:54,745 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-07-19 22:56:54,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-07-19 22:56:54,745 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-19 22:56:54,746 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-07-19 22:56:54,746 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-07-19 22:56:54,746 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-19 22:56:54,746 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-07-19 22:56:54,746 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-07-19 22:56:54,746 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-07-19 22:56:54,747 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-19 22:56:54,747 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-19 22:56:54,747 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-07-19 22:56:54,747 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-07-19 22:56:54,747 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-19 22:56:54,747 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-19 22:56:54,748 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-19 22:56:54,748 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-19 22:56:54,748 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:56:54,748 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-19 22:56:54,748 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:56:54,748 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:56:54,748 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2020-07-19 22:56:54,749 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2020-07-19 22:56:54,749 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2020-07-19 22:56:54,749 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2020-07-19 22:56:54,749 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-19 22:56:54,749 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2020-07-19 22:56:54,749 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:56:54,750 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-07-19 22:56:54,750 INFO L268 CegarLoopResult]: For program point L824(lines 824 834) no Hoare annotation was computed. [2020-07-19 22:56:54,750 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1))) [2020-07-19 22:56:54,750 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-19 22:56:54,750 INFO L268 CegarLoopResult]: For program point L820(lines 820 837) no Hoare annotation was computed. [2020-07-19 22:56:54,750 INFO L268 CegarLoopResult]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2020-07-19 22:56:54,750 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-07-19 22:56:54,751 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-07-19 22:56:54,751 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2020-07-19 22:56:54,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2020-07-19 22:56:54,751 INFO L264 CegarLoopResult]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-19 22:56:54,751 INFO L264 CegarLoopResult]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-19 22:56:54,752 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,752 INFO L268 CegarLoopResult]: For program point L925(lines 925 932) no Hoare annotation was computed. [2020-07-19 22:56:54,752 INFO L268 CegarLoopResult]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2020-07-19 22:56:54,752 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-19 22:56:54,752 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,752 INFO L264 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,752 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2020-07-19 22:56:54,753 INFO L264 CegarLoopResult]: At program point L921-1(line 921) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,753 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2020-07-19 22:56:54,753 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 873 896) no Hoare annotation was computed. [2020-07-19 22:56:54,753 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 873 896) no Hoare annotation was computed. [2020-07-19 22:56:54,753 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 873 896) no Hoare annotation was computed. [2020-07-19 22:56:54,753 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-07-19 22:56:54,753 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-19 22:56:54,754 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-19 22:56:54,755 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-19 22:56:54,755 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-19 22:56:54,755 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-19 22:56:54,755 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-19 22:56:54,755 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2020-07-19 22:56:54,755 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2020-07-19 22:56:54,755 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 729 764) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2020-07-19 22:56:54,756 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 729 764) no Hoare annotation was computed. [2020-07-19 22:56:54,757 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 729 764) no Hoare annotation was computed. [2020-07-19 22:56:54,757 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-19 22:56:54,757 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-19 22:56:54,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-07-19 22:56:54,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-07-19 22:56:54,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-07-19 22:56:54,757 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-07-19 22:56:54,757 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-07-19 22:56:54,758 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-07-19 22:56:54,758 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-07-19 22:56:54,758 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-07-19 22:56:54,758 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-07-19 22:56:54,758 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,758 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,758 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2020-07-19 22:56:54,758 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 709 719) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 709 719) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point L714-1(line 714) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 709 719) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 701 708) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 701 708) no Hoare annotation was computed. [2020-07-19 22:56:54,759 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 701 708) no Hoare annotation was computed. [2020-07-19 22:56:54,760 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-19 22:56:54,760 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2020-07-19 22:56:54,760 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2020-07-19 22:56:54,760 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2020-07-19 22:56:54,760 INFO L268 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-07-19 22:56:54,760 INFO L268 CegarLoopResult]: For program point L672(lines 672 689) no Hoare annotation was computed. [2020-07-19 22:56:54,760 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2020-07-19 22:56:54,761 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 668 692) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0))) [2020-07-19 22:56:54,761 INFO L264 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:56:54,761 INFO L268 CegarLoopResult]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2020-07-19 22:56:54,761 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~4) (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 22:56:54,761 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:56:54,762 INFO L268 CegarLoopResult]: For program point L676(lines 676 684) no Hoare annotation was computed. [2020-07-19 22:56:54,762 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 22:56:54,762 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2020-07-19 22:56:54,762 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2020-07-19 22:56:54,762 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,762 INFO L268 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2020-07-19 22:56:54,762 INFO L264 CegarLoopResult]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-19 22:56:54,763 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-19 22:56:54,763 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-19 22:56:54,763 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-19 22:56:54,763 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-19 22:56:54,763 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-19 22:56:54,763 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-19 22:56:54,763 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-19 22:56:54,764 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-19 22:56:54,764 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-19 22:56:54,764 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-19 22:56:54,764 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-19 22:56:54,764 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-19 22:56:54,764 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:54,764 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2020-07-19 22:56:54,765 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 507 529) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point L515(lines 515 523) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-19 22:56:54,766 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-19 22:56:54,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-07-19 22:56:54,768 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-19 22:56:54,768 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-07-19 22:56:54,768 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-19 22:56:54,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:56:54,768 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 22:56:54,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:56:54,769 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2020-07-19 22:56:54,769 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2020-07-19 22:56:54,769 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:56:54,769 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2020-07-19 22:56:54,769 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2020-07-19 22:56:54,769 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2020-07-19 22:56:54,769 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2020-07-19 22:56:54,769 INFO L268 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2020-07-19 22:56:54,770 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2020-07-19 22:56:54,770 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2020-07-19 22:56:54,770 INFO L271 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: true [2020-07-19 22:56:54,770 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2020-07-19 22:56:54,770 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-19 22:56:54,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:56:54,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:56:54,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:56:54,771 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-19 22:56:54,771 INFO L268 CegarLoopResult]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2020-07-19 22:56:54,771 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2020-07-19 22:56:54,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 498 506) no Hoare annotation was computed. [2020-07-19 22:56:54,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2020-07-19 22:56:54,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2020-07-19 22:56:54,771 INFO L268 CegarLoopResult]: For program point L640(lines 636 658) no Hoare annotation was computed. [2020-07-19 22:56:54,771 INFO L268 CegarLoopResult]: For program point L638(lines 636 658) no Hoare annotation was computed. [2020-07-19 22:56:54,772 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse4 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3)))) [2020-07-19 22:56:54,772 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2020-07-19 22:56:54,772 INFO L264 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (or (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse7 .cse6 .cse3))) [2020-07-19 22:56:54,772 INFO L264 CegarLoopResult]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse8) (and .cse8 (<= 1 ~pumpRunning~0)) .cse7 .cse6 .cse3)))) [2020-07-19 22:56:54,772 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2020-07-19 22:56:54,772 INFO L264 CegarLoopResult]: At program point L642(line 642) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-19 22:56:54,773 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-19 22:56:54,773 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2020-07-19 22:56:54,773 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2020-07-19 22:56:54,773 INFO L268 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-07-19 22:56:54,773 INFO L271 CegarLoopResult]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2020-07-19 22:56:54,773 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-19 22:56:54,773 INFO L271 CegarLoopResult]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2020-07-19 22:56:54,773 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-07-19 22:56:54,774 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-07-19 22:56:54,774 INFO L271 CegarLoopResult]: At program point L868(lines 843 872) the Hoare annotation is: true [2020-07-19 22:56:54,774 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-07-19 22:56:54,774 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:56:54,774 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2020-07-19 22:56:54,774 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2020-07-19 22:56:54,774 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2020-07-19 22:56:54,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:56:54,775 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:56:54,775 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:56:54,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:56:54,775 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2020-07-19 22:56:54,775 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or (= |old(~systemActive~0)| ~systemActive~0) .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4) (or .cse0 .cse1 .cse4 .cse3))) [2020-07-19 22:56:54,775 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2020-07-19 22:56:54,775 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2020-07-19 22:56:54,776 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-07-19 22:56:54,776 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse2) (or .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:56:54,776 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-19 22:56:54,776 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-19 22:56:54,776 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-19 22:56:54,776 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-19 22:56:54,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:56:54 BoogieIcfgContainer [2020-07-19 22:56:54,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:56:54,797 INFO L168 Benchmark]: Toolchain (without parser) took 58190.25 ms. Allocated memory was 144.7 MB in the beginning and 737.1 MB in the end (delta: 592.4 MB). Free memory was 101.6 MB in the beginning and 203.5 MB in the end (delta: -102.0 MB). Peak memory consumption was 597.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:54,798 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 22:56:54,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.56 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.1 MB in the beginning and 173.3 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:54,799 INFO L168 Benchmark]: Boogie Preprocessor took 91.43 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:54,799 INFO L168 Benchmark]: RCFGBuilder took 1132.04 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 169.0 MB in the beginning and 199.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:54,800 INFO L168 Benchmark]: TraceAbstraction took 56261.15 ms. Allocated memory was 234.4 MB in the beginning and 737.1 MB in the end (delta: 502.8 MB). Free memory was 197.8 MB in the beginning and 203.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 603.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:54,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.56 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.1 MB in the beginning and 173.3 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.43 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1132.04 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 169.0 MB in the beginning and 199.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56261.15 ms. Allocated memory was 234.4 MB in the beginning and 737.1 MB in the end (delta: 502.8 MB). Free memory was 197.8 MB in the beginning and 203.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 603.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 30.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 2763 SDslu, 1946 SDs, 0 SdLazy, 7139 SolverSat, 1963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 438 SyntacticMatches, 2 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 793 PreInvPairs, 862 NumberOfFragments, 1779 HoareAnnotationTreeSize, 793 FomulaSimplifications, 28289785 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 545784 FormulaSimplificationTreeSizeReductionInter, 14.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 332057 SizeOfPredicates, 4 NumberOfNonLiveVariables, 888 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 86/105 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...