/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_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:48:14,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:48:14,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:48:14,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:48:14,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:48:14,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:48:14,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:48:14,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:48:14,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:48:14,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:48:14,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:48:14,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:48:14,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:48:14,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:48:14,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:48:14,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:48:14,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:48:14,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:48:14,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:48:14,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:48:14,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:48:14,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:48:14,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:48:14,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:48:14,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:48:14,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:48:14,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:48:14,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:48:14,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:48:14,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:48:14,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:48:14,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:48:14,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:48:14,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:48:14,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:48:14,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:48:14,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:48:14,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:48:14,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:48:14,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:48:14,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:48:14,321 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 22:48:14,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:48:14,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:48:14,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:48:14,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:48:14,355 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:48:14,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:48:14,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:48:14,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:48:14,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:48:14,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:48:14,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:48:14,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:48:14,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:48:14,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:48:14,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:48:14,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:48:14,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:48:14,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:48:14,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:48:14,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:48:14,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:48:14,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:48:14,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:48:14,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:48:14,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:48:14,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:48:14,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:48:14,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:48:14,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:48:14,360 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 22:48:14,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:48:14,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:48:14,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:48:14,700 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:48:14,701 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:48:14,701 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-19 22:48:14,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cb075d1/4ee52b727f144dd4ba034da6d0859f52/FLAG201ef3a25 [2020-07-19 22:48:15,374 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:48:15,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-19 22:48:15,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cb075d1/4ee52b727f144dd4ba034da6d0859f52/FLAG201ef3a25 [2020-07-19 22:48:15,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cb075d1/4ee52b727f144dd4ba034da6d0859f52 [2020-07-19 22:48:15,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:48:15,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:48:15,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:48:15,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:48:15,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:48:15,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:48:15" (1/1) ... [2020-07-19 22:48:15,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0926b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:15, skipping insertion in model container [2020-07-19 22:48:15,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:48:15" (1/1) ... [2020-07-19 22:48:15,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:48:15,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:48:16,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:48:16,166 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:48:16,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:48:16,278 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:48:16,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16 WrapperNode [2020-07-19 22:48:16,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:48:16,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:48:16,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:48:16,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:48:16,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (1/1) ... [2020-07-19 22:48:16,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (1/1) ... [2020-07-19 22:48:16,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (1/1) ... [2020-07-19 22:48:16,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (1/1) ... [2020-07-19 22:48:16,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (1/1) ... [2020-07-19 22:48:16,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (1/1) ... [2020-07-19 22:48:16,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (1/1) ... [2020-07-19 22:48:16,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:48:16,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:48:16,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:48:16,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:48:16,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (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 22:48:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:48:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:48:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:48:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:48:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:48:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:48:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:48:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:48:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:48:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:48:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:48:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:48:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:48:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:48:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-19 22:48:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-19 22:48:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:48:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:48:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:48:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:48:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:48:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:48:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:48:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:48:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:48:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:48:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:48:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:48:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:48:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:48:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:48:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:48:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:48:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:48:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:48:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:48:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:48:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:48:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:48:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:48:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:48:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:48:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:48:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:48:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:48:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:48:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:48:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:48:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:48:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:48:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:48:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:48:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:48:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:48:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:48:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:48:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:48:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:48:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:48:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:48:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:48:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:48:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:48:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:48:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:48:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:48:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:48:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:48:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-19 22:48:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-19 22:48:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:48:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:48:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:48:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:48:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:48:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:48:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:48:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:48:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:48:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:48:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:48:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:48:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:48:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:48:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:48:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:48:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:48:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:48:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:48:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:48:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:48:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:48:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:48:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:48:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:48:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:48:17,633 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:48:17,633 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:48:17,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:48:17 BoogieIcfgContainer [2020-07-19 22:48:17,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:48:17,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:48:17,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:48:17,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:48:17,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:48:15" (1/3) ... [2020-07-19 22:48:17,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67df98db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:48:17, skipping insertion in model container [2020-07-19 22:48:17,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:48:16" (2/3) ... [2020-07-19 22:48:17,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67df98db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:48:17, skipping insertion in model container [2020-07-19 22:48:17,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:48:17" (3/3) ... [2020-07-19 22:48:17,647 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2020-07-19 22:48:17,658 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:48:17,665 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:48:17,680 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:48:17,705 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:48:17,706 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:48:17,706 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:48:17,706 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:48:17,706 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:48:17,706 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:48:17,707 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:48:17,707 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:48:17,730 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2020-07-19 22:48:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 22:48:17,740 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:17,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:17,742 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:17,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1859141612, now seen corresponding path program 1 times [2020-07-19 22:48:17,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:17,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479768885] [2020-07-19 22:48:17,759 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,428 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:18,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479768885] [2020-07-19 22:48:18,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:18,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:48:18,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726496338] [2020-07-19 22:48:18,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:48:18,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:18,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:48:18,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:48:18,558 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 4 states. [2020-07-19 22:48:19,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:19,782 INFO L93 Difference]: Finished difference Result 317 states and 416 transitions. [2020-07-19 22:48:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:48:19,784 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-19 22:48:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:19,809 INFO L225 Difference]: With dead ends: 317 [2020-07-19 22:48:19,809 INFO L226 Difference]: Without dead ends: 177 [2020-07-19 22:48:19,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:48:19,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-19 22:48:19,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 141. [2020-07-19 22:48:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-19 22:48:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2020-07-19 22:48:19,945 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2020-07-19 22:48:19,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:19,945 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2020-07-19 22:48:19,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:48:19,946 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2020-07-19 22:48:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:48:19,950 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:19,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:19,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:48:19,950 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:19,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:19,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2121847036, now seen corresponding path program 1 times [2020-07-19 22:48:19,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:19,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158603319] [2020-07-19 22:48:19,952 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,355 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:20,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158603319] [2020-07-19 22:48:20,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:20,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:48:20,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729046615] [2020-07-19 22:48:20,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:48:20,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:20,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:48:20,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:48:20,422 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 5 states. [2020-07-19 22:48:20,904 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:21,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:21,949 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2020-07-19 22:48:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:48:21,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-19 22:48:21,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:21,955 INFO L225 Difference]: With dead ends: 256 [2020-07-19 22:48:21,955 INFO L226 Difference]: Without dead ends: 167 [2020-07-19 22:48:21,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:48:21,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-19 22:48:22,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-07-19 22:48:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-19 22:48:22,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2020-07-19 22:48:22,031 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2020-07-19 22:48:22,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:22,031 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2020-07-19 22:48:22,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:48:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2020-07-19 22:48:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-19 22:48:22,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:22,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:22,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:48:22,034 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:22,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:22,035 INFO L82 PathProgramCache]: Analyzing trace with hash 51071948, now seen corresponding path program 1 times [2020-07-19 22:48:22,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:22,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682895242] [2020-07-19 22:48:22,036 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,373 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:22,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682895242] [2020-07-19 22:48:22,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:22,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:48:22,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466469] [2020-07-19 22:48:22,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:48:22,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:22,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:48:22,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:48:22,544 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 9 states. [2020-07-19 22:48:22,913 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:23,250 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:48:23,495 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:23,721 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:24,496 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:26,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:26,491 INFO L93 Difference]: Finished difference Result 448 states and 568 transitions. [2020-07-19 22:48:26,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:48:26,492 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-19 22:48:26,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:26,497 INFO L225 Difference]: With dead ends: 448 [2020-07-19 22:48:26,497 INFO L226 Difference]: Without dead ends: 344 [2020-07-19 22:48:26,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:48:26,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-07-19 22:48:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 279. [2020-07-19 22:48:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-07-19 22:48:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2020-07-19 22:48:26,592 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2020-07-19 22:48:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:26,593 INFO L479 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2020-07-19 22:48:26,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:48:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2020-07-19 22:48:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-19 22:48:26,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:26,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:26,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:48:26,597 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:26,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:26,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1476511447, now seen corresponding path program 1 times [2020-07-19 22:48:26,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:26,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100931894] [2020-07-19 22:48:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,864 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:27,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100931894] [2020-07-19 22:48:27,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:27,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:48:27,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199250076] [2020-07-19 22:48:27,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:48:27,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:27,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:48:27,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:48:27,016 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 9 states. [2020-07-19 22:48:27,422 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:28,448 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:28,819 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:29,130 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:29,468 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:30,882 INFO L93 Difference]: Finished difference Result 895 states and 1185 transitions. [2020-07-19 22:48:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 22:48:30,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-19 22:48:30,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:30,891 INFO L225 Difference]: With dead ends: 895 [2020-07-19 22:48:30,891 INFO L226 Difference]: Without dead ends: 644 [2020-07-19 22:48:30,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:48:30,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-07-19 22:48:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 506. [2020-07-19 22:48:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-07-19 22:48:31,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2020-07-19 22:48:31,040 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2020-07-19 22:48:31,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:31,040 INFO L479 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2020-07-19 22:48:31,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:48:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2020-07-19 22:48:31,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-19 22:48:31,045 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:31,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:31,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:48:31,046 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:31,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:31,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1658122107, now seen corresponding path program 1 times [2020-07-19 22:48:31,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:31,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608802500] [2020-07-19 22:48:31,047 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,342 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:31,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608802500] [2020-07-19 22:48:31,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:31,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 22:48:31,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812159571] [2020-07-19 22:48:31,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 22:48:31,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:31,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 22:48:31,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:48:31,470 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 10 states. [2020-07-19 22:48:31,842 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:32,845 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:33,134 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:33,415 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:34,143 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:35,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:35,392 INFO L93 Difference]: Finished difference Result 1423 states and 1942 transitions. [2020-07-19 22:48:35,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-19 22:48:35,392 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-07-19 22:48:35,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:35,400 INFO L225 Difference]: With dead ends: 1423 [2020-07-19 22:48:35,401 INFO L226 Difference]: Without dead ends: 945 [2020-07-19 22:48:35,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-07-19 22:48:35,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-07-19 22:48:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 749. [2020-07-19 22:48:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2020-07-19 22:48:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 911 transitions. [2020-07-19 22:48:35,539 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 911 transitions. Word has length 66 [2020-07-19 22:48:35,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:35,539 INFO L479 AbstractCegarLoop]: Abstraction has 749 states and 911 transitions. [2020-07-19 22:48:35,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 22:48:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 911 transitions. [2020-07-19 22:48:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 22:48:35,543 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:35,543 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:35,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:48:35,544 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:35,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:35,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1979078966, now seen corresponding path program 1 times [2020-07-19 22:48:35,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:35,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296563436] [2020-07-19 22:48:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,846 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:36,054 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 22:48:36,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296563436] [2020-07-19 22:48:36,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:36,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 22:48:36,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547135679] [2020-07-19 22:48:36,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 22:48:36,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:36,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 22:48:36,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:48:36,057 INFO L87 Difference]: Start difference. First operand 749 states and 911 transitions. Second operand 10 states. [2020-07-19 22:48:36,492 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:37,523 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:37,782 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:48:38,117 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:38,381 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:40,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:40,649 INFO L93 Difference]: Finished difference Result 2518 states and 3561 transitions. [2020-07-19 22:48:40,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:48:40,650 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-07-19 22:48:40,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:40,664 INFO L225 Difference]: With dead ends: 2518 [2020-07-19 22:48:40,665 INFO L226 Difference]: Without dead ends: 1797 [2020-07-19 22:48:40,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-19 22:48:40,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2020-07-19 22:48:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1359. [2020-07-19 22:48:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2020-07-19 22:48:40,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1650 transitions. [2020-07-19 22:48:40,953 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1650 transitions. Word has length 103 [2020-07-19 22:48:40,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:40,954 INFO L479 AbstractCegarLoop]: Abstraction has 1359 states and 1650 transitions. [2020-07-19 22:48:40,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 22:48:40,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1650 transitions. [2020-07-19 22:48:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 22:48:40,962 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:40,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:40,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:48:40,964 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:40,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:40,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1738538837, now seen corresponding path program 1 times [2020-07-19 22:48:40,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:40,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781988937] [2020-07-19 22:48:40,966 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,233 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:41,401 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 22:48:41,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781988937] [2020-07-19 22:48:41,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:41,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 22:48:41,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568982388] [2020-07-19 22:48:41,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 22:48:41,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:41,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 22:48:41,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:48:41,404 INFO L87 Difference]: Start difference. First operand 1359 states and 1650 transitions. Second operand 10 states. [2020-07-19 22:48:42,536 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:42,805 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:48:43,095 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:43,364 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:44,653 INFO L93 Difference]: Finished difference Result 3144 states and 4258 transitions. [2020-07-19 22:48:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:48:44,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-07-19 22:48:44,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:44,671 INFO L225 Difference]: With dead ends: 3144 [2020-07-19 22:48:44,671 INFO L226 Difference]: Without dead ends: 1813 [2020-07-19 22:48:44,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:48:44,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2020-07-19 22:48:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1399. [2020-07-19 22:48:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2020-07-19 22:48:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1690 transitions. [2020-07-19 22:48:44,923 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1690 transitions. Word has length 103 [2020-07-19 22:48:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:44,924 INFO L479 AbstractCegarLoop]: Abstraction has 1399 states and 1690 transitions. [2020-07-19 22:48:44,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 22:48:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1690 transitions. [2020-07-19 22:48:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 22:48:44,928 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:44,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:44,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:48:44,928 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:44,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:44,929 INFO L82 PathProgramCache]: Analyzing trace with hash 189733865, now seen corresponding path program 1 times [2020-07-19 22:48:44,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:44,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632912744] [2020-07-19 22:48:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,248 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:45,511 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 22:48:45,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632912744] [2020-07-19 22:48:45,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:45,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:48:45,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627488159] [2020-07-19 22:48:45,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:48:45,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:45,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:48:45,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:48:45,519 INFO L87 Difference]: Start difference. First operand 1399 states and 1690 transitions. Second operand 12 states. [2020-07-19 22:48:46,047 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:46,294 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:46,529 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:47,303 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:47,579 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:47,825 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:49,263 INFO L93 Difference]: Finished difference Result 2768 states and 3642 transitions. [2020-07-19 22:48:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:48:49,264 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 103 [2020-07-19 22:48:49,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:49,275 INFO L225 Difference]: With dead ends: 2768 [2020-07-19 22:48:49,275 INFO L226 Difference]: Without dead ends: 1397 [2020-07-19 22:48:49,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:48:49,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-07-19 22:48:49,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1119. [2020-07-19 22:48:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1119 states. [2020-07-19 22:48:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1322 transitions. [2020-07-19 22:48:49,528 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1322 transitions. Word has length 103 [2020-07-19 22:48:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:49,528 INFO L479 AbstractCegarLoop]: Abstraction has 1119 states and 1322 transitions. [2020-07-19 22:48:49,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:48:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1322 transitions. [2020-07-19 22:48:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 22:48:49,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:49,537 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:49,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:48:49,537 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:49,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:49,538 INFO L82 PathProgramCache]: Analyzing trace with hash -237992882, now seen corresponding path program 1 times [2020-07-19 22:48:49,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:49,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285584466] [2020-07-19 22:48:49,539 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,870 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:48:50,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285584466] [2020-07-19 22:48:50,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497102555] [2020-07-19 22:48:50,237 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38e058a5 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 22:48:50,643 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38e058a5 issued 4 check-sat command(s) [2020-07-19 22:48:50,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:48:50,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:48:50,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:48:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:50,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:48:50,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 22:48:50,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496438300] [2020-07-19 22:48:50,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:48:50,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:50,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:48:50,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:48:50,867 INFO L87 Difference]: Start difference. First operand 1119 states and 1322 transitions. Second operand 8 states. [2020-07-19 22:48:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:51,432 INFO L93 Difference]: Finished difference Result 2184 states and 2596 transitions. [2020-07-19 22:48:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:48:51,432 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-07-19 22:48:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:51,440 INFO L225 Difference]: With dead ends: 2184 [2020-07-19 22:48:51,440 INFO L226 Difference]: Without dead ends: 1093 [2020-07-19 22:48:51,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:48:51,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-07-19 22:48:51,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093. [2020-07-19 22:48:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2020-07-19 22:48:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1269 transitions. [2020-07-19 22:48:51,684 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1269 transitions. Word has length 107 [2020-07-19 22:48:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:51,685 INFO L479 AbstractCegarLoop]: Abstraction has 1093 states and 1269 transitions. [2020-07-19 22:48:51,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:48:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1269 transitions. [2020-07-19 22:48:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-19 22:48:51,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:51,691 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:51,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 22:48:51,906 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:51,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:51,906 INFO L82 PathProgramCache]: Analyzing trace with hash 926596768, now seen corresponding path program 1 times [2020-07-19 22:48:51,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:51,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095772720] [2020-07-19 22:48:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10666734 [2020-07-19 22:48:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,236 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-19 22:48:52,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095772720] [2020-07-19 22:48:52,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090511769] [2020-07-19 22:48:52,592 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d1324f9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:48:53,181 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d1324f9 issued 4 check-sat command(s) [2020-07-19 22:48:53,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:48:53,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:48:53,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:48:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 22:48:53,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:48:53,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 22:48:53,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168923681] [2020-07-19 22:48:53,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:48:53,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:53,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:48:53,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:48:53,433 INFO L87 Difference]: Start difference. First operand 1093 states and 1269 transitions. Second operand 8 states. [2020-07-19 22:48:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:54,062 INFO L93 Difference]: Finished difference Result 1759 states and 2065 transitions. [2020-07-19 22:48:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:48:54,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-07-19 22:48:54,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:54,064 INFO L225 Difference]: With dead ends: 1759 [2020-07-19 22:48:54,064 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:48:54,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:48:54,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:48:54,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:48:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:48:54,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:48:54,071 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-07-19 22:48:54,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:54,072 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:48:54,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:48:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:48:54,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:48:54,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:48:54,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:48:56,123 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 349 DAG size of output: 292 [2020-07-19 22:48:56,991 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 292 [2020-07-19 22:48:57,949 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2020-07-19 22:48:58,791 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2020-07-19 22:48:59,762 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 287 [2020-07-19 22:49:01,122 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 336 [2020-07-19 22:49:03,513 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 12 [2020-07-19 22:49:03,996 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 15 [2020-07-19 22:49:04,156 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 22:49:04,336 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:49:04,706 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-07-19 22:49:06,034 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-07-19 22:49:07,334 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-07-19 22:49:07,503 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 22:49:08,619 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 36 [2020-07-19 22:49:09,595 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-07-19 22:49:10,078 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-19 22:49:10,727 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2020-07-19 22:49:10,927 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:49:11,123 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:11,294 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:49:12,123 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 28 [2020-07-19 22:49:12,309 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-19 22:49:13,460 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 232 DAG size of output: 29 [2020-07-19 22:49:14,165 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 18 [2020-07-19 22:49:14,936 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-07-19 22:49:15,433 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-07-19 22:49:16,100 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 19 [2020-07-19 22:49:16,599 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-07-19 22:49:17,154 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-07-19 22:49:17,715 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2020-07-19 22:49:19,661 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 283 DAG size of output: 30 [2020-07-19 22:49:20,132 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 22:49:20,315 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:49:20,870 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-19 22:49:21,264 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-07-19 22:49:21,428 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 22:49:21,612 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:49:22,501 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 29 [2020-07-19 22:49:23,007 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-07-19 22:49:23,640 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 19 [2020-07-19 22:49:23,801 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 22:49:23,966 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-19 22:49:24,145 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 22:49:24,315 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:49:24,913 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-07-19 22:49:25,090 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-19 22:49:25,601 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 22 [2020-07-19 22:49:25,943 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-07-19 22:49:26,398 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 22:49:26,585 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 22:49:26,745 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 22:49:27,094 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 18 [2020-07-19 22:49:27,306 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 22:49:28,124 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2020-07-19 22:49:28,763 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 19 [2020-07-19 22:49:28,767 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-07-19 22:49:28,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-07-19 22:49:28,768 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-19 22:49:28,768 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-07-19 22:49:28,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-07-19 22:49:28,768 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-19 22:49:28,769 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-07-19 22:49:28,769 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-07-19 22:49:28,769 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-19 22:49:28,769 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-07-19 22:49:28,769 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-07-19 22:49:28,769 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-07-19 22:49:28,770 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-19 22:49:28,770 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-19 22:49:28,770 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-07-19 22:49:28,770 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-07-19 22:49:28,770 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-19 22:49:28,770 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-19 22:49:28,771 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-19 22:49:28,771 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-19 22:49:28,771 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-19 22:49:28,771 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-19 22:49:28,771 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-19 22:49:28,772 INFO L264 CegarLoopResult]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:49:28,772 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:49:28,772 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2020-07-19 22:49:28,772 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2020-07-19 22:49:28,772 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= 1 main_~tmp~4)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:49:28,773 INFO L264 CegarLoopResult]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= 1 main_~tmp~4)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:49:28,773 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-07-19 22:49:28,773 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2020-07-19 22:49:28,773 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 22:49:28,773 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:49:28,773 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 529 552) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 529 552) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-19 22:49:28,774 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 529 552) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 22:49:28,775 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-07-19 22:49:28,776 INFO L268 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-07-19 22:49:28,776 INFO L268 CegarLoopResult]: For program point L736(lines 736 753) no Hoare annotation was computed. [2020-07-19 22:49:28,776 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= 0 ~pumpRunning~0)))) [2020-07-19 22:49:28,776 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2020-07-19 22:49:28,776 INFO L268 CegarLoopResult]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2020-07-19 22:49:28,776 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2020-07-19 22:49:28,777 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2020-07-19 22:49:28,777 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse1 .cse2) (or .cse4 .cse0 .cse5 .cse1) (or .cse4 .cse5 .cse1 .cse3))) [2020-07-19 22:49:28,777 INFO L268 CegarLoopResult]: For program point L740(lines 740 748) no Hoare annotation was computed. [2020-07-19 22:49:28,777 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2020-07-19 22:49:28,777 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse3 .cse1 .cse4) (or .cse2 .cse3 .cse4))) [2020-07-19 22:49:28,777 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-07-19 22:49:28,778 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-07-19 22:49:28,778 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse6 (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse5)))) [2020-07-19 22:49:28,778 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-07-19 22:49:28,778 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-07-19 22:49:28,778 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-07-19 22:49:28,778 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-07-19 22:49:28,779 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-19 22:49:28,780 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-19 22:49:28,780 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-19 22:49:28,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-07-19 22:49:28,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-07-19 22:49:28,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-07-19 22:49:28,780 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-07-19 22:49:28,780 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-07-19 22:49:28,780 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-07-19 22:49:28,781 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-07-19 22:49:28,781 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-07-19 22:49:28,781 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-07-19 22:49:28,781 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:49:28,781 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2020-07-19 22:49:28,781 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2020-07-19 22:49:28,781 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 22:49:28,781 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-07-19 22:49:28,782 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-07-19 22:49:28,782 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-07-19 22:49:28,782 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-07-19 22:49:28,782 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-07-19 22:49:28,782 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:49:28,782 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-07-19 22:49:28,782 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-07-19 22:49:28,782 INFO L268 CegarLoopResult]: For program point L683(lines 683 689) no Hoare annotation was computed. [2020-07-19 22:49:28,783 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2020-07-19 22:49:28,783 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2020-07-19 22:49:28,783 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2020-07-19 22:49:28,783 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse0)) (or .cse4 .cse1 .cse2))) [2020-07-19 22:49:28,783 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-07-19 22:49:28,783 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2))) [2020-07-19 22:49:28,783 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-19 22:49:28,784 INFO L268 CegarLoopResult]: For program point L762(lines 762 779) no Hoare annotation was computed. [2020-07-19 22:49:28,784 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2020-07-19 22:49:28,784 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:49:28,784 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-19 22:49:28,784 INFO L268 CegarLoopResult]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2020-07-19 22:49:28,784 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-19 22:49:28,784 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2020-07-19 22:49:28,785 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2020-07-19 22:49:28,785 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:49:28,785 INFO L264 CegarLoopResult]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:49:28,785 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-19 22:49:28,785 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-19 22:49:28,785 INFO L268 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-07-19 22:49:28,785 INFO L268 CegarLoopResult]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2020-07-19 22:49:28,786 INFO L264 CegarLoopResult]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:49:28,786 INFO L264 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3) (and .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2020-07-19 22:49:28,786 INFO L268 CegarLoopResult]: For program point L953(lines 953 959) no Hoare annotation was computed. [2020-07-19 22:49:28,786 INFO L264 CegarLoopResult]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse0 .cse1) (and .cse4 .cse0 .cse3))) [2020-07-19 22:49:28,786 INFO L268 CegarLoopResult]: For program point L918(lines 917 964) no Hoare annotation was computed. [2020-07-19 22:49:28,786 INFO L268 CegarLoopResult]: For program point L947(lines 947 960) no Hoare annotation was computed. [2020-07-19 22:49:28,786 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse2 .cse0 (not (= 0 ~systemActive~0))) (and .cse2 .cse0 .cse1))) [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2020-07-19 22:49:28,787 INFO L264 CegarLoopResult]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-07-19 22:49:28,787 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-07-19 22:49:28,788 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-07-19 22:49:28,788 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-19 22:49:28,788 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2020-07-19 22:49:28,788 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2020-07-19 22:49:28,788 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (= 0 ~systemActive~0) .cse0))) [2020-07-19 22:49:28,788 INFO L268 CegarLoopResult]: For program point L477(lines 477 483) no Hoare annotation was computed. [2020-07-19 22:49:28,788 INFO L268 CegarLoopResult]: For program point L476(lines 476 486) no Hoare annotation was computed. [2020-07-19 22:49:28,788 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or (= 0 ~systemActive~0) .cse0))) [2020-07-19 22:49:28,789 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-07-19 22:49:28,789 INFO L268 CegarLoopResult]: For program point L472(lines 472 489) no Hoare annotation was computed. [2020-07-19 22:49:28,789 INFO L268 CegarLoopResult]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2020-07-19 22:49:28,789 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (= 0 ~systemActive~0) .cse0 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-19 22:49:28,789 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-07-19 22:49:28,789 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (= 0 ~systemActive~0) .cse0 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-19 22:49:28,789 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point L655(lines 655 663) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 647 669) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-19 22:49:28,790 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-07-19 22:49:28,791 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-07-19 22:49:28,792 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-19 22:49:28,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:49:28,793 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~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)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.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~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 22:49:28,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:49:28,793 INFO L268 CegarLoopResult]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2020-07-19 22:49:28,793 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-19 22:49:28,793 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 22:49:28,794 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2020-07-19 22:49:28,794 INFO L268 CegarLoopResult]: For program point L796-1(line 796) no Hoare annotation was computed. [2020-07-19 22:49:28,794 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 22:49:28,794 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-19 22:49:28,794 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 670 678) no Hoare annotation was computed. [2020-07-19 22:49:28,794 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-19 22:49:28,794 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-19 22:49:28,794 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-07-19 22:49:28,795 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-07-19 22:49:28,795 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-07-19 22:49:28,795 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-07-19 22:49:28,795 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-07-19 22:49:28,795 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-07-19 22:49:28,795 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-07-19 22:49:28,795 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:49:28,795 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:49:28,795 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:49:28,796 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~systemActive~0) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-19 22:49:28,796 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2020-07-19 22:49:28,796 INFO L268 CegarLoopResult]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2020-07-19 22:49:28,796 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2020-07-19 22:49:28,796 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2020-07-19 22:49:28,796 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2020-07-19 22:49:28,796 INFO L268 CegarLoopResult]: For program point L704(lines 703 722) no Hoare annotation was computed. [2020-07-19 22:49:28,796 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5)))) [2020-07-19 22:49:28,797 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2020-07-19 22:49:28,797 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and (not .cse1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse1) (or .cse5 .cse3 .cse4)))) [2020-07-19 22:49:28,797 INFO L264 CegarLoopResult]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse11 (= 0 ~methaneLevelCritical~0)) (.cse10 (not .cse5)) (.cse6 (= 0 ~pumpRunning~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and .cse6 .cse8 .cse7)) (.cse0 (and .cse11 .cse10 .cse7)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse11)) (.cse9 (not (= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7)) (or .cse4 .cse2 .cse8 .cse9) (or .cse4 .cse1 .cse10 .cse2) (or .cse0 .cse5 .cse3) (or (and .cse6 .cse8) .cse2 .cse3 .cse9))))) [2020-07-19 22:49:28,797 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2020-07-19 22:49:28,797 INFO L264 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse0) (or .cse3 .cse1 .cse4))) [2020-07-19 22:49:28,797 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2020-07-19 22:49:28,798 INFO L268 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-07-19 22:49:28,798 INFO L271 CegarLoopResult]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2020-07-19 22:49:28,798 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2020-07-19 22:49:28,798 INFO L268 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-07-19 22:49:28,798 INFO L271 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2020-07-19 22:49:28,798 INFO L271 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: true [2020-07-19 22:49:28,798 INFO L268 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-07-19 22:49:28,798 INFO L271 CegarLoopResult]: At program point L521(lines 496 525) the Hoare annotation is: true [2020-07-19 22:49:28,798 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 22:49:28,799 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-19 22:49:28,799 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-19 22:49:28,799 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-19 22:49:28,799 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2020-07-19 22:49:28,799 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2020-07-19 22:49:28,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:49:28,799 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:49:28,799 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:49:28,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:49:28,800 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2020-07-19 22:49:28,800 INFO L268 CegarLoopResult]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2020-07-19 22:49:28,800 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= 0 ~systemActive~0) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-19 22:49:28,800 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:49:28,800 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 22:49:28,800 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 22:49:28,800 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:49:28,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:49:28 BoogieIcfgContainer [2020-07-19 22:49:28,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:49:28,822 INFO L168 Benchmark]: Toolchain (without parser) took 73182.00 ms. Allocated memory was 138.4 MB in the beginning and 1.1 GB in the end (delta: 998.2 MB). Free memory was 101.6 MB in the beginning and 559.4 MB in the end (delta: -457.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-07-19 22:49:28,822 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:49:28,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.91 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 170.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:28,824 INFO L168 Benchmark]: Boogie Preprocessor took 106.06 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 165.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:28,824 INFO L168 Benchmark]: RCFGBuilder took 1248.66 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 193.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:28,825 INFO L168 Benchmark]: TraceAbstraction took 71179.75 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 900.7 MB). Free memory was 192.5 MB in the beginning and 559.4 MB in the end (delta: -366.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-07-19 22:49:28,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.91 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 170.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.06 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 165.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1248.66 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 193.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71179.75 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 900.7 MB). Free memory was 192.5 MB in the beginning and 559.4 MB in the end (delta: -366.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && !(0 == systemActive))) || ((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && 0 == pumpRunning)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.5s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1479 SDtfs, 2352 SDslu, 3154 SDs, 0 SdLazy, 6855 SolverSat, 1533 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 720 GetRequests, 551 SyntacticMatches, 2 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1399occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1600 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3011 PreInvPairs, 3141 NumberOfFragments, 1988 HoareAnnotationTreeSize, 3011 FomulaSimplifications, 17813312 FormulaSimplificationTreeSizeReduction, 8.8s HoareSimplificationTime, 65 FomulaSimplificationsInter, 841471 FormulaSimplificationTreeSizeReductionInter, 25.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1126 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1114 ConstructedInterpolants, 0 QuantifiedInterpolants, 356548 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1744 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 106/111 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...