/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:22:57,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:22:57,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:22:57,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:22:57,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:22:57,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:22:57,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:22:57,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:22:57,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:22:57,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:22:57,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:22:57,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:22:57,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:22:57,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:22:57,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:22:57,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:22:57,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:22:57,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:22:57,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:22:57,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:22:57,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:22:57,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:22:57,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:22:57,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:22:57,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:22:57,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:22:57,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:22:57,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:22:57,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:22:57,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:22:57,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:22:57,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:22:57,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:22:57,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:22:57,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:22:57,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:22:57,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:22:57,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:22:57,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:22:57,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:22:57,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:22:57,374 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 [2020-07-20 16:22:57,412 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:22:57,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:22:57,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:22:57,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:22:57,414 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:22:57,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:22:57,415 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:22:57,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:22:57,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:22:57,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:22:57,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:22:57,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:22:57,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:22:57,416 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:22:57,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:22:57,421 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:22:57,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:22:57,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:22:57,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:22:57,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:22:57,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:22:57,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:57,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:22:57,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:22:57,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:22:57,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:22:57,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:57,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:22:57,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:22:57,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES 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 [2020-07-20 16:22:57,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:22:57,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:22:57,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:22:57,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:22:57,733 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:22:57,735 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2020-07-20 16:22:57,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d81c37500/f066d9901bce4f83a424f1f88704b5f8/FLAGf54454ef8 [2020-07-20 16:22:58,376 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:22:58,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2020-07-20 16:22:58,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d81c37500/f066d9901bce4f83a424f1f88704b5f8/FLAGf54454ef8 [2020-07-20 16:22:58,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d81c37500/f066d9901bce4f83a424f1f88704b5f8 [2020-07-20 16:22:58,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:22:58,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:22:58,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:58,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:22:58,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:22:58,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:58" (1/1) ... [2020-07-20 16:22:58,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ad3b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:58, skipping insertion in model container [2020-07-20 16:22:58,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:58" (1/1) ... [2020-07-20 16:22:58,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:22:58,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:22:59,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:59,057 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:22:59,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:59,283 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:22:59,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59 WrapperNode [2020-07-20 16:22:59,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:59,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:22:59,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:22:59,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:22:59,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (1/1) ... [2020-07-20 16:22:59,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (1/1) ... [2020-07-20 16:22:59,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (1/1) ... [2020-07-20 16:22:59,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (1/1) ... [2020-07-20 16:22:59,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (1/1) ... [2020-07-20 16:22:59,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (1/1) ... [2020-07-20 16:22:59,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (1/1) ... [2020-07-20 16:22:59,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:22:59,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:22:59,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:22:59,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:22:59,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (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 [2020-07-20 16:22:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:22:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:22:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:22:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:22:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:22:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:22:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:22:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 16:22:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:22:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:22:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:22:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:22:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:22:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:22:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:22:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:22:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:22:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:22:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:22:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:22:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:22:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:22:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:22:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:22:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:22:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:22:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:22:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:22:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:22:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:22:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:22:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:22:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:22:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:22:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:22:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:22:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:22:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:22:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:22:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:22:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:22:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:22:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:22:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:22:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:22:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:22:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:22:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:22:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:22:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:22:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 16:22:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:22:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:22:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:22:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:22:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:22:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:22:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:22:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:22:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:22:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:22:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:22:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:22:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:22:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:22:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:22:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:22:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:22:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:22:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:22:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:22:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:22:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:22:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:22:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:22:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:00,511 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:00,511 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:00,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:00 BoogieIcfgContainer [2020-07-20 16:23:00,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:00,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:00,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:00,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:00,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:22:58" (1/3) ... [2020-07-20 16:23:00,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5792b575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:00, skipping insertion in model container [2020-07-20 16:23:00,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:59" (2/3) ... [2020-07-20 16:23:00,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5792b575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:00, skipping insertion in model container [2020-07-20 16:23:00,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:00" (3/3) ... [2020-07-20 16:23:00,530 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2020-07-20 16:23:00,540 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:00,547 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:00,562 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:00,585 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:00,585 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:00,586 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:00,586 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:00,586 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:00,586 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:00,586 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:00,587 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-07-20 16:23:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:00,619 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:00,620 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] [2020-07-20 16:23:00,621 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:00,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:00,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1769963120, now seen corresponding path program 1 times [2020-07-20 16:23:00,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:00,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323460228] [2020-07-20 16:23:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:01,278 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:01,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:01,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:01,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:01,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:01,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323460228] [2020-07-20 16:23:01,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:01,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:01,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735348542] [2020-07-20 16:23:01,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:01,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:01,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:01,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:01,352 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2020-07-20 16:23:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:01,391 INFO L93 Difference]: Finished difference Result 204 states and 257 transitions. [2020-07-20 16:23:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:01,392 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:01,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:01,404 INFO L225 Difference]: With dead ends: 204 [2020-07-20 16:23:01,404 INFO L226 Difference]: Without dead ends: 104 [2020-07-20 16:23:01,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:01,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-20 16:23:01,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-20 16:23:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-20 16:23:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2020-07-20 16:23:01,466 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2020-07-20 16:23:01,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:01,466 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2020-07-20 16:23:01,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-07-20 16:23:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:01,471 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:01,471 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] [2020-07-20 16:23:01,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:01,685 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:01,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:01,686 INFO L82 PathProgramCache]: Analyzing trace with hash -196862469, now seen corresponding path program 1 times [2020-07-20 16:23:01,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:01,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432837819] [2020-07-20 16:23:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:02,263 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:02,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:02,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:02,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:02,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:02,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432837819] [2020-07-20 16:23:02,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:02,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:02,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217934216] [2020-07-20 16:23:02,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:02,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:02,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:02,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:02,331 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 3 states. [2020-07-20 16:23:02,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:02,369 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2020-07-20 16:23:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:02,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:02,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:02,373 INFO L225 Difference]: With dead ends: 153 [2020-07-20 16:23:02,373 INFO L226 Difference]: Without dead ends: 95 [2020-07-20 16:23:02,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-20 16:23:02,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-07-20 16:23:02,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-20 16:23:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-07-20 16:23:02,402 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2020-07-20 16:23:02,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:02,403 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-07-20 16:23:02,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-07-20 16:23:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:23:02,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:02,413 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] [2020-07-20 16:23:02,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:02,614 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:02,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:02,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1769510197, now seen corresponding path program 1 times [2020-07-20 16:23:02,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:02,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438235311] [2020-07-20 16:23:02,616 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:03,042 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:03,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:03,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:03,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:03,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:03,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438235311] [2020-07-20 16:23:03,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:03,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:03,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189751186] [2020-07-20 16:23:03,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:03,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:03,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:03,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:03,083 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2020-07-20 16:23:03,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:03,113 INFO L93 Difference]: Finished difference Result 162 states and 193 transitions. [2020-07-20 16:23:03,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:03,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:23:03,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:03,117 INFO L225 Difference]: With dead ends: 162 [2020-07-20 16:23:03,117 INFO L226 Difference]: Without dead ends: 95 [2020-07-20 16:23:03,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-20 16:23:03,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-07-20 16:23:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-20 16:23:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-07-20 16:23:03,130 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2020-07-20 16:23:03,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:03,131 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-07-20 16:23:03,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-07-20 16:23:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 16:23:03,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:03,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:03,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:03,348 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:03,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:03,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1543424388, now seen corresponding path program 1 times [2020-07-20 16:23:03,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:03,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144641745] [2020-07-20 16:23:03,349 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:03,889 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:03,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:03,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:03,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:03,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:03,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144641745] [2020-07-20 16:23:03,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:03,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:03,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660128623] [2020-07-20 16:23:03,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:03,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:03,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:03,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:03,956 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 6 states. [2020-07-20 16:23:04,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:04,165 INFO L93 Difference]: Finished difference Result 221 states and 266 transitions. [2020-07-20 16:23:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:04,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-20 16:23:04,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:04,168 INFO L225 Difference]: With dead ends: 221 [2020-07-20 16:23:04,169 INFO L226 Difference]: Without dead ends: 154 [2020-07-20 16:23:04,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:04,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-20 16:23:04,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2020-07-20 16:23:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-20 16:23:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2020-07-20 16:23:04,192 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2020-07-20 16:23:04,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:04,192 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2020-07-20 16:23:04,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2020-07-20 16:23:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-20 16:23:04,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:04,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:04,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:04,409 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:04,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1297581992, now seen corresponding path program 1 times [2020-07-20 16:23:04,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:04,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282069634] [2020-07-20 16:23:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:04,847 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:04,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:04,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:04,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:04,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:04,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282069634] [2020-07-20 16:23:04,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:04,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:04,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272205348] [2020-07-20 16:23:04,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:04,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:04,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:04,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:04,876 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 3 states. [2020-07-20 16:23:04,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:04,918 INFO L93 Difference]: Finished difference Result 260 states and 314 transitions. [2020-07-20 16:23:04,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:04,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-07-20 16:23:04,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:04,922 INFO L225 Difference]: With dead ends: 260 [2020-07-20 16:23:04,923 INFO L226 Difference]: Without dead ends: 257 [2020-07-20 16:23:04,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-20 16:23:04,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2020-07-20 16:23:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-20 16:23:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 262 transitions. [2020-07-20 16:23:04,957 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 262 transitions. Word has length 68 [2020-07-20 16:23:04,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:04,957 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 262 transitions. [2020-07-20 16:23:04,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 262 transitions. [2020-07-20 16:23:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-20 16:23:04,977 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:04,978 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:05,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:05,179 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:05,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1806839821, now seen corresponding path program 1 times [2020-07-20 16:23:05,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:05,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586302404] [2020-07-20 16:23:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:05,561 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:05,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:05,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:05,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 16:23:05,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:05,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586302404] [2020-07-20 16:23:05,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:05,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:05,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489809113] [2020-07-20 16:23:05,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:05,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:05,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:05,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:05,619 INFO L87 Difference]: Start difference. First operand 218 states and 262 transitions. Second operand 6 states. [2020-07-20 16:23:05,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:05,929 INFO L93 Difference]: Finished difference Result 306 states and 374 transitions. [2020-07-20 16:23:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:05,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2020-07-20 16:23:05,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:05,931 INFO L225 Difference]: With dead ends: 306 [2020-07-20 16:23:05,931 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:05,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:05,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:05,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:05,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2020-07-20 16:23:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:05,936 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:05,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:05,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:06,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:06,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:07,656 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 374) no Hoare annotation was computed. [2020-07-20 16:23:07,656 INFO L268 CegarLoopResult]: For program point L375(lines 352 376) no Hoare annotation was computed. [2020-07-20 16:23:07,656 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 328 383) no Hoare annotation was computed. [2020-07-20 16:23:07,657 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-20 16:23:07,657 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 328 383) no Hoare annotation was computed. [2020-07-20 16:23:07,657 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 363) no Hoare annotation was computed. [2020-07-20 16:23:07,657 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 328 383) no Hoare annotation was computed. [2020-07-20 16:23:07,657 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 420) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point L410-2(lines 410 435) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 384 443) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point L436(lines 409 437) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 384 443) no Hoare annotation was computed. [2020-07-20 16:23:07,658 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 16:23:07,659 INFO L268 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-07-20 16:23:07,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 384 443) no Hoare annotation was computed. [2020-07-20 16:23:07,659 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 663 669) the Hoare annotation is: true [2020-07-20 16:23:07,659 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 663 669) no Hoare annotation was computed. [2020-07-20 16:23:07,659 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-20 16:23:07,659 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 670 678) the Hoare annotation is: true [2020-07-20 16:23:07,659 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-20 16:23:07,659 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 873 895) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,660 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 873 895) no Hoare annotation was computed. [2020-07-20 16:23:07,660 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,660 INFO L264 CegarLoopResult]: At program point L885-1(line 885) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,660 INFO L268 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-07-20 16:23:07,660 INFO L268 CegarLoopResult]: For program point L883-1(lines 883 890) no Hoare annotation was computed. [2020-07-20 16:23:07,660 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-20 16:23:07,660 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,660 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,661 INFO L264 CegarLoopResult]: At program point L879-1(line 879) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,661 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 873 895) no Hoare annotation was computed. [2020-07-20 16:23:07,661 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 831 854) no Hoare annotation was computed. [2020-07-20 16:23:07,661 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 831 854) no Hoare annotation was computed. [2020-07-20 16:23:07,661 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 831 854) no Hoare annotation was computed. [2020-07-20 16:23:07,661 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-20 16:23:07,661 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-20 16:23:07,661 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-20 16:23:07,662 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-20 16:23:07,662 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-20 16:23:07,662 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 16:23:07,662 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-20 16:23:07,662 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 16:23:07,662 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-20 16:23:07,662 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-20 16:23:07,663 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-20 16:23:07,663 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-20 16:23:07,663 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-20 16:23:07,663 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-07-20 16:23:07,663 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 153 159) no Hoare annotation was computed. [2020-07-20 16:23:07,663 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 153 159) the Hoare annotation is: true [2020-07-20 16:23:07,663 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 186 193) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 186 193) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 186 193) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 230 238) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 230 238) the Hoare annotation is: true [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 230 238) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point L246(lines 246 254) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point L246-2(lines 246 254) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 239 274) no Hoare annotation was computed. [2020-07-20 16:23:07,664 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 239 274) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 239 274) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 656 662) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 656 662) the Hoare annotation is: true [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 282 327) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 282 327) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 282 327) no Hoare annotation was computed. [2020-07-20 16:23:07,665 INFO L268 CegarLoopResult]: For program point L609(lines 609 629) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L268 CegarLoopResult]: For program point L609-1(lines 609 629) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 595 640) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 595 640) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 595 640) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 862 872) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,666 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 862 872) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 862 872) no Hoare annotation was computed. [2020-07-20 16:23:07,666 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,666 INFO L271 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: true [2020-07-20 16:23:07,666 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 219 229) the Hoare annotation is: true [2020-07-20 16:23:07,667 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-07-20 16:23:07,667 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 219 229) no Hoare annotation was computed. [2020-07-20 16:23:07,667 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 219 229) no Hoare annotation was computed. [2020-07-20 16:23:07,667 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 211 218) the Hoare annotation is: true [2020-07-20 16:23:07,667 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2020-07-20 16:23:07,667 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2020-07-20 16:23:07,667 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 161 185) no Hoare annotation was computed. [2020-07-20 16:23:07,667 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:07,668 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 161 185) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:07,668 INFO L268 CegarLoopResult]: For program point L180-1(lines 161 185) no Hoare annotation was computed. [2020-07-20 16:23:07,668 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:23:07,668 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:23:07,668 INFO L268 CegarLoopResult]: For program point L169(lines 169 177) no Hoare annotation was computed. [2020-07-20 16:23:07,668 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:23:07,669 INFO L268 CegarLoopResult]: For program point L167-1(line 167) no Hoare annotation was computed. [2020-07-20 16:23:07,669 INFO L268 CegarLoopResult]: For program point L165(lines 165 182) no Hoare annotation was computed. [2020-07-20 16:23:07,669 INFO L264 CegarLoopResult]: At program point L97(lines 54 99) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:23:07,669 INFO L268 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2020-07-20 16:23:07,669 INFO L264 CegarLoopResult]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 16:23:07,669 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2020-07-20 16:23:07,669 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 16:23:07,669 INFO L268 CegarLoopResult]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2020-07-20 16:23:07,670 INFO L264 CegarLoopResult]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:23:07,670 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-07-20 16:23:07,670 INFO L264 CegarLoopResult]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1))) [2020-07-20 16:23:07,670 INFO L268 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2020-07-20 16:23:07,670 INFO L268 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-07-20 16:23:07,670 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:23:07,670 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-20 16:23:07,671 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-20 16:23:07,671 INFO L268 CegarLoopResult]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2020-07-20 16:23:07,671 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:23:07,671 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 549 594) no Hoare annotation was computed. [2020-07-20 16:23:07,671 INFO L268 CegarLoopResult]: For program point L569(lines 569 576) no Hoare annotation was computed. [2020-07-20 16:23:07,671 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 549 594) no Hoare annotation was computed. [2020-07-20 16:23:07,671 INFO L268 CegarLoopResult]: For program point L563(lines 563 583) no Hoare annotation was computed. [2020-07-20 16:23:07,671 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 583) no Hoare annotation was computed. [2020-07-20 16:23:07,672 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 549 594) no Hoare annotation was computed. [2020-07-20 16:23:07,672 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:07,672 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 770 798) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:07,672 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-07-20 16:23:07,672 INFO L268 CegarLoopResult]: For program point L782(lines 782 792) no Hoare annotation was computed. [2020-07-20 16:23:07,672 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:07,672 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-07-20 16:23:07,672 INFO L268 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-07-20 16:23:07,673 INFO L268 CegarLoopResult]: For program point L778-1(lines 770 798) no Hoare annotation was computed. [2020-07-20 16:23:07,673 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:07,673 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-07-20 16:23:07,673 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 770 798) no Hoare annotation was computed. [2020-07-20 16:23:07,673 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-07-20 16:23:07,673 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-07-20 16:23:07,673 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 728 750) no Hoare annotation was computed. [2020-07-20 16:23:07,673 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 728 750) no Hoare annotation was computed. [2020-07-20 16:23:07,674 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 728 750) no Hoare annotation was computed. [2020-07-20 16:23:07,674 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 762 769) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:07,674 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 762 769) no Hoare annotation was computed. [2020-07-20 16:23:07,674 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 762 769) no Hoare annotation was computed. [2020-07-20 16:23:07,674 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 446 548) no Hoare annotation was computed. [2020-07-20 16:23:07,674 INFO L268 CegarLoopResult]: For program point L475(lines 475 491) no Hoare annotation was computed. [2020-07-20 16:23:07,674 INFO L268 CegarLoopResult]: For program point L535(lines 535 542) no Hoare annotation was computed. [2020-07-20 16:23:07,674 INFO L268 CegarLoopResult]: For program point L496(lines 495 515) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point L492(lines 492 533) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 446 548) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point L534(lines 534 545) no Hoare annotation was computed. [2020-07-20 16:23:07,675 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 446 548) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L268 CegarLoopResult]: For program point L497(lines 497 501) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 515) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L268 CegarLoopResult]: For program point L516(lines 494 517) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 646 655) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 646 655) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 646 655) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:07,676 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point L205-1(lines 194 210) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 194 210) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 194 210) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-07-20 16:23:07,677 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 751 759) no Hoare annotation was computed. [2020-07-20 16:23:07,678 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 751 759) no Hoare annotation was computed. [2020-07-20 16:23:07,678 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 751 759) no Hoare annotation was computed. [2020-07-20 16:23:07,678 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 707 718) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:07,678 INFO L268 CegarLoopResult]: For program point L711-1(lines 707 718) no Hoare annotation was computed. [2020-07-20 16:23:07,678 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 707 718) no Hoare annotation was computed. [2020-07-20 16:23:07,678 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:07,679 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:07,679 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:07,679 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 129 152) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:07,679 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:07,679 INFO L264 CegarLoopResult]: At program point L140(lines 140 146) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:07,679 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 129 152) no Hoare annotation was computed. [2020-07-20 16:23:07,680 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:07,680 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 129 152) no Hoare annotation was computed. [2020-07-20 16:23:07,680 INFO L268 CegarLoopResult]: For program point L133(lines 132 151) no Hoare annotation was computed. [2020-07-20 16:23:07,680 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 801 830) no Hoare annotation was computed. [2020-07-20 16:23:07,680 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 801 830) the Hoare annotation is: true [2020-07-20 16:23:07,680 INFO L271 CegarLoopResult]: At program point L826(lines 801 830) the Hoare annotation is: true [2020-07-20 16:23:07,680 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 16:23:07,681 INFO L268 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2020-07-20 16:23:07,681 INFO L271 CegarLoopResult]: At program point L815-1(lines 815 819) the Hoare annotation is: true [2020-07-20 16:23:07,681 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 16:23:07,681 INFO L271 CegarLoopResult]: At program point L811-2(lines 811 825) the Hoare annotation is: true [2020-07-20 16:23:07,681 INFO L271 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: true [2020-07-20 16:23:07,681 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-07-20 16:23:07,681 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 719 727) the Hoare annotation is: true [2020-07-20 16:23:07,681 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 719 727) no Hoare annotation was computed. [2020-07-20 16:23:07,682 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 719 727) no Hoare annotation was computed. [2020-07-20 16:23:07,682 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 683 694) the Hoare annotation is: true [2020-07-20 16:23:07,682 INFO L268 CegarLoopResult]: For program point L687-1(lines 683 694) no Hoare annotation was computed. [2020-07-20 16:23:07,682 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 683 694) no Hoare annotation was computed. [2020-07-20 16:23:07,682 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 855 861) no Hoare annotation was computed. [2020-07-20 16:23:07,682 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 855 861) the Hoare annotation is: true [2020-07-20 16:23:07,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:07,682 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:23:07,682 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:07,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:07,683 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 695 706) no Hoare annotation was computed. [2020-07-20 16:23:07,683 INFO L268 CegarLoopResult]: For program point L699-1(lines 695 706) no Hoare annotation was computed. [2020-07-20 16:23:07,683 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 695 706) the Hoare annotation is: true [2020-07-20 16:23:07,683 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 109 116) no Hoare annotation was computed. [2020-07-20 16:23:07,683 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-07-20 16:23:07,683 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 109 116) the Hoare annotation is: true [2020-07-20 16:23:07,683 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 109 116) no Hoare annotation was computed. [2020-07-20 16:23:07,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:07 BoogieIcfgContainer [2020-07-20 16:23:07,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:07,703 INFO L168 Benchmark]: Toolchain (without parser) took 9065.16 ms. Allocated memory was 138.4 MB in the beginning and 285.7 MB in the end (delta: 147.3 MB). Free memory was 102.6 MB in the beginning and 118.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 158.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:07,704 INFO L168 Benchmark]: CDTParser took 0.50 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. [2020-07-20 16:23:07,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.10 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 102.1 MB in the beginning and 174.2 MB in the end (delta: -72.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:07,705 INFO L168 Benchmark]: Boogie Preprocessor took 99.50 ms. Allocated memory is still 203.9 MB. Free memory was 174.2 MB in the beginning and 169.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:07,706 INFO L168 Benchmark]: RCFGBuilder took 1137.59 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.7 MB in the beginning and 203.5 MB in the end (delta: -33.7 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:07,707 INFO L168 Benchmark]: TraceAbstraction took 7176.59 ms. Allocated memory was 237.0 MB in the beginning and 285.7 MB in the end (delta: 48.8 MB). Free memory was 202.0 MB in the beginning and 118.5 MB in the end (delta: 83.5 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:07,712 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 645.10 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 102.1 MB in the beginning and 174.2 MB in the end (delta: -72.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.50 ms. Allocated memory is still 203.9 MB. Free memory was 174.2 MB in the beginning and 169.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.59 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.7 MB in the beginning and 203.5 MB in the end (delta: -33.7 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7176.59 ms. Allocated memory was 237.0 MB in the beginning and 285.7 MB in the end (delta: 48.8 MB). Free memory was 202.0 MB in the beginning and 118.5 MB in the end (delta: 83.5 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((!(1 <= systemActive) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 216 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 668 SDtfs, 251 SDslu, 674 SDs, 0 SdLazy, 175 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 250 PreInvPairs, 263 NumberOfFragments, 825 HoareAnnotationTreeSize, 250 FomulaSimplifications, 174 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 50 FomulaSimplificationsInter, 721 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 397 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 50363 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4112 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 34/34 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...